At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

Draw a card.

Madness U (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever Ophidian attacks and isn't blocked, you may draw a card. If you do, Ophidian assigns no combat damage this turn.

T, Sacrifice a Forest: Add three mana in any combination of R and/or G.

Flying

When Owl Familiar enters the battlefield, draw a card, then discard a card.

Flying

When Palinchron enters the battlefield, untap up to seven lands.

2UU: Return Palinchron to its owner's hand.

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Remove a fade counter from Parallax Wave: Exile target creature.

When Parallax Wave leaves the battlefield, each player returns to the battlefield all cards they own exiled with Parallax Wave.

Enchant creature

When Paralyze enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay 4. If the player does, untap the creature.

Trample

When Penumbra Wurm dies, create a 6/6 black Wurm creature token with trample.

Phantom Nomad enters the battlefield with two +1/+1 counters on it.

If damage would be dealt to Phantom Nomad, prevent that damage. Remove a +1/+1 counter from Phantom Nomad.

T, Sacrifice Phyrexian Defiler: Target creature gets -3/-3 until end of turn.

Whenever Pianna, Nomad Captain attacks, attacking creatures get +1/+1 until end of turn.

When Pillaging Horde enters the battlefield, sacrifice it unless you discard a card at random.

Pine Barrens enters the battlefield tapped.

T: Add C.

T: Add B or G. Pine Barrens deals 1 damage to you.

(T: Add R or W.)

Will of the council ¡ª Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If knowledge gets more votes or the vote is tied, draw three cards.

Counter target spell unless its controller pays X. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

2: Target creature gains flying until end of turn.

5, T: Destroy target creature with flying.

When Predatory Nightstalker enters the battlefield, you may have target opponent sacrifice a creature.

Prophetic Bolt deals 4 damage to any target. Look at the top four cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Untap target creature you don't control. That creature blocks this turn if able.

Draw a card.

Discard a card: Psychatog gets +1/+1 until end of turn.

Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Discard a card: Putrid Imp gains flying until end of turn.

Threshold ¡ª As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.

Flying, vigilance

Radiant, Archangel gets +1/+1 for each other creature with flying on the battlefield.

Destroy target creature with power 4 or greater.

Cycling 2 (2, Discard this card: Draw a card.)

Realm Seekers enters the battlefield with X +1/+1 counters on it, where X is the total number of cards in all players' hands.

2G, Remove a +1/+1 counter from Realm Seekers: Search your library for a land card, reveal it, put it into your hand, then shuffle your library.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its converted mana cost.

Target creature gets +3/+0 and gains haste until end of turn.

Flashback 2R (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sacrifice a creature, Return Recurring Nightmare to its owner's hand: Return target creature card from your graveyard to the battlefield. Activate this ability only any time you could cast a sorcery.

Return target card from your graveyard to your hand.

Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.

You gain 6 life.

Cycling 1W (1W, Discard this card: Draw a card.)

When you cycle Renewed Faith, you may gain 2 life.

Put target creature on top of its owner's library.

Return target permanent to its owner's hand.

Cycling 2 (2, Discard this card: Draw a card.)

Reveal the top three cards of your library and put one of them into your hand. You gain life equal to that card's converted mana cost. Put all other cards revealed this way into your graveyard.

Echo 3 (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

1, T: Tap target artifact, creature, or land.

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Create a 6/6 green Wurm creature token.

Flashback 3G (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Rocky Tar Pit enters the battlefield tapped.

T, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card and put it onto the battlefield. Then shuffle your library.

T: Add G for each Forest you control.

Flying, haste

Salt Flats enters the battlefield tapped.

T: Add C.

T: Add W or B. Salt Flats deals 1 damage to you.

Fading 7 (This enchantment enters the battlefield with seven fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Remove a fade counter from Saproling Burst: Create a green Saproling creature token. It has "This creature's power and toughness are each equal to the number of fade counters on Saproling Burst."

When Saproling Burst leaves the battlefield, destroy all tokens created with Saproling Burst. They can't be regenerated.

When Sarcomancy enters the battlefield, create a 2/2 black Zombie creature token.

At the beginning of your upkeep, if there are no Zombies on the battlefield, Sarcomancy deals 1 damage to you.

(T: Add G or W.)

Scabland enters the battlefield tapped.

T: Add C.

T: Add R or W. Scabland deals 1 damage to you.

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

When Scrivener enters the battlefield, you may return target instant card from your graveyard to your hand.

(T: Add W or B.)

Flying

When Sea Drake enters the battlefield, return two target lands you control to their owner's hand.

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

Secluded Steppe enters the battlefield tapped.

T: Add W.

Cycling W (W, Discard this card: Draw a card.)

Parley ¡ª T: Each player reveals the top card of their library. For each nonland card revealed this way, add G and you gain 1 life. Then each player draws a card.

Flying

At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Target creature you control gains protection from the color of your choice until end of turn.

Draw a card.

Trample

When Shivan Wurm enters the battlefield, return a red or green creature you control to its owner's hand.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Whenever Sidar Jabari attacks, tap target creature defending player controls.

Trample

G: Regenerate Silvos, Rogue Elemental.

Flash

Echo 2G (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Flying

Discard a card: Add B.

Whenever Skirk Drill Sergeant or another Goblin dies, you may pay 2R. If you do, reveal the top card of your library. If it's a Goblin permanent card, put it onto the battlefield. Otherwise, put it into your graveyard.

Sacrifice a Goblin: Add R.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip 1

Skyshroud Forest enters the battlefield tapped.

T: Add C.

T: Add G or U. Skyshroud Forest deals 1 damage to you.

Flying

Discard a card: Return Skywing Aven to its owner's hand.

At the beginning of your upkeep, you may put a soot counter on Smokestack.

At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

T: Add CC.

Solar Blast deals 3 damage to any target.

Cycling 1RR (1RR, Discard this card: Draw a card.)

When you cycle Solar Blast, you may have it deal 1 damage to any target.

W: Soltari Emissary gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Soltari Trooper attacks, it gets +1/+1 until end of turn.

Spark Spray deals 1 damage to any target.

Cycling R (R, Discard this card: Draw a card.)

Spells cost 1 more to cast.

Enchant creature

Enchanted creature gets +3/+3.

When enchanted creature becomes the target of a spell or ability, destroy that creature. It can't be regenerated.

Whenever a player discards a card, you may pay W. If you do, create a 1/1 white Spirit creature token with flying.

At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token.

0: Destroy target Reflection.

Whenever Spiritmonger deals damage to a creature, put a +1/+1 counter on Spiritmonger.

B: Regenerate Spiritmonger.

G: Spiritmonger becomes the color of your choice until end of turn.

Starstorm deals X damage to each creature.

Cycling 3 (3, Discard this card: Draw a card.)

Whenever a player cycles a card, Stoic Champion gets +2/+2 until end of turn.

T: Add C.

T, Sacrifice Strip Mine: Destroy target land.

Target player draws X cards.

When Su-Chi dies, add CCCC.

Target creature gets +3/+3 until end of turn.

Draw a card.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

G, Discard a creature card: Search your library for a creature card, reveal that card, and put it into your hand. Then shuffle your library.

Exile target creature. Its controller gains life equal to its power.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

When Symbiotic Wurm dies, create seven 1/1 green Insect creature tokens.

(T: Add R or G.)

Prevent all combat damage that would be dealt this turn.

Each attacking creature doesn't untap during its controller's next untap step.

Return target permanent to its owner's hand.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Target player loses 2 life and you gain 2 life.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

When Teroh's Faithful enters the battlefield, you gain 4 life.

Discard a card: Thalakos Drifters gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Thawing Glaciers enters the battlefield tapped.

1, T: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

Flying

Thopter Squadron enters the battlefield with three +1/+1 counters on it.

1, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate this ability only any time you could cast a sorcery.

1, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate this ability only any time you could cast a sorcery.

Time Vault enters the battlefield tapped.

Time Vault doesn't untap during your untap step.

If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.

T: Take an extra turn after this one.

Take an extra turn after this one.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

T: Add U for each artifact you control.

Flying

T, Tap two untapped creatures you control: Return target permanent to its owner's hand.