As an additional cost to cast this spell, discard X cards.

Look at target opponent's hand and choose X cards from it. That player discards those cards.

Return target artifact or non-Aura enchantment card from your graveyard to the battlefield with X additional +1/+1 counters on it. It's a 1/1 Spirit creature with flying in addition to its other types.

Return from your graveyard to the battlefield any number of target creature cards that each have a different mana value X or less.

Choose one —

• Target player gains X life.

• Prevent the next X damage that would be dealt to any target this turn.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Apocalypse Hydra enters with X +1/+1 counters on it. If X is 5 or more, it enters with an additional X +1/+1 counters on it.

, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target.

Return all creature and planeswalker cards with mana value X or less from your graveyard to the battlefield. Exile Ascend from Avernus.

Astral Cornucopia enters with X charge counters on it.

: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn.

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Return X target outlaw creature cards from your graveyard to the battlefield. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Target attacking creature gets +X/+0 until end of turn.

Draw a card at the beginning of the next turn's upkeep.

Affinity for Food (This spell costs less to cast for each Food you control.)

Trample

Banquet Guests enters with twice X +1/+1 counters on it.

, Sacrifice a Food: Banquet Guests gains indestructible until end of turn.

Search your library for up to X battle cards with different names, put them onto the battlefield, then shuffle.

Put a random creature card with mana value X or less from target opponent's library onto the battlefield under your control. It perpetually has base power and toughness X/X and gains ward .

Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped.

When Bladecoil Serpent enters, for each spent to cast it, draw a card.

When Bladecoil Serpent enters, for each spent to cast it, each opponent discards a card.

When Bladecoil Serpent enters, for each spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost.

Target creature gets +X/+0 until end of turn.

Create X tapped 2/1 white and black Inkling creature tokens with flying. If X is 6 or more, destroy all noncreature, nonland permanents.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Target player draws X cards.

Briber's Purse enters with X gem counters on it.

, , Remove a gem counter from Briber's Purse: Target creature can't attack or block this turn.

Counter target spell unless its controller pays . Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Destroy X target artifacts. Builder's Bane deals damage to each player equal to the number of artifacts they controlled that were put into a graveyard this way.

Destroy X target artifacts.

The next X damage that would be dealt to target creature, planeswalker, or player this turn is dealt to another target creature, planeswalker, or player instead.

Chalice of the Void enters with X charge counters on it.

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.

Each of X target creatures you control connive. You may have any number of them phase out. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)

Cast this spell only during the declare blockers step.

X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures. (This spell works on creatures that can't be blocked.)

Choose one or more —

• Clan Defiance deals X damage to target creature with flying.

• Clan Defiance deals X damage to target creature without flying.

• Clan Defiance deals X damage to target player or planeswalker.

Clay Champion enters with three +1/+1 counters on it for each spent to cast it.

When Clay Champion enters, choose up to two other target creatures you control. For each spent to cast Clay Champion, put a +1/+1 counter on each of them.

Multikicker (You may pay an additional any number of times as you cast this spell.)

Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Conflagrate deals X damage divided as you choose among any number of targets.

Flashback—, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spend only black mana on X.

Consume Spirit deals X damage to any target and you gain X life.

Contortionist Troupe enters with X +1/+1 counters on it.

Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a +1/+1 counter on target creature you control.

Crackle with Power deals five times X damage to each of up to X targets.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

Exile the top X cards of your library. For each land card exiled this way, create a Treasure token. For each blue card exiled this way, draw a card. For each red card exiled this way, Culmination of Studies deals 1 damage to each opponent.

Cut deals 4 damage to target creature.

Target player draws X cards and loses X life.

Target player creates X 2/2 black Zombie creature tokens, then up to one target creature gets -1/-1 until end of turn for each Zombie that player controls.

Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.

Death Grasp deals X damage to any target. You gain X life.

Each opponent loses two times X life. You gain life equal to the life lost this way.

When Defenders of Humanity enters, create X 2/2 white Astartes Warrior creature tokens with vigilance.

, Exile Defenders of Humanity: Create X 2/2 white Astartes Warrior creature tokens with vigilance. Activate only if you control no creatures and only during your turn.

Search your library for a multicolored card, reveal it, put it into your hand, then shuffle.

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Search your library for up to X cards, put those cards into your hand, then shuffle.