Target creature you control deals damage equal to its power to any other target. Then sacrifice it.

Haste

Whenever Calamity, Galloping Inferno attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once.

Saddle 1

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Put a flying counter on it. It's a Spirit in addition to its other types.

As an additional cost to cast this spell, sacrifice a creature.

Target creature gets -X/-X until end of turn, where X is the sacrificed creature's power.

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.)

Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn.

Players can't gain life this turn. Damage can't be prevented this turn. Call In a Professional deals 3 damage to any target. (Shield counters don't prevent this damage as they're removed.)

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Create a 3/3 green Elephant creature token.

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

At the beginning of your upkeep, the Ring tempts you.

Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.

, Discard a card: Create a 1/1 black Vampire Knight creature token with lifelink. Activate only once each turn.

Strive — This spell costs more to cast for each target beyond the first.

Choose any number of target opponents. Create X 1/1 white Human Soldier creature tokens, where X is the number of creatures those opponents control.

Devoid (This card has no color.)

Create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ."

As Call to Arms enters, choose a color and an opponent.

White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common.

When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice Call to Arms.

Return target creature to its owner's hand. Its controller draws a card.

Enchant nonblack creature

Enchanted creature gets +1/+2, has flying, and is an Angel in addition to its other types.

At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature of their choice.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave.

Return target black creature card from your graveyard to your hand.

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

Callaphe's power is equal to your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost more to cast."

Flash

When Caller of the Claw enters, create a 2/2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.

Trample

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Flash

Polymorphine — You may have Callidus Assassin enter tapped as a copy of any creature on the battlefield, except it has "When this creature enters, destroy up to one other target creature with the same name as this creature."

: Look at the top card of your library.

: Reveal the top card of your library. If it's a land card, Callous Deceiver gets +1/+0 and gains flying until end of turn. Activate only once each turn.

If a source would deal 3 or less damage to Callous Giant, prevent that damage.

Callous Sell-Sword enters with a +1/+1 counter on it for each creature that died under your control this turn.

Forbidden (This card can't be in your starting deck. Yes, you read that right. You need to figure out a way to get it into the game without it being in your deck.)

Target player draws three cards.

When Carrier Thrall dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Defender (This creature can't attack.)

: Regenerate Carrion Wall.

First strike, reach

Whenever Catti-brie of Mithral Hall attacks, put a +1/+1 counter on it for each Equipment attached to it.

, Remove all +1/+1 counters from Catti-brie: It deals X damage to target attacking or blocking creature an opponent controls, where X is the number of counters removed this way.

+1: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.

0: Discard all the cards in your hand, then draw that many cards plus one.

−X: Chandra, Flamecaller deals X damage to each creature.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Destroy all enchantments.

When Conqueror's Galleon attacks, exile it at end of combat, then return it to the battlefield transformed under your control.

Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Counter target noncreature spell. Its controller loses 2 life.

Suspend 4— (Rather than cast this card from your hand, pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Create two 4/4 green Rhino creature tokens with trample.

Trample

When Crested Herdcaller enters, create a 3/3 green Dinosaur creature token with trample.

, : Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

At the beginning of combat on your turn, choose a kind of counter at random that Crystalline Giant doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, and +1/+1. Put a counter of that kind on Crystalline Giant.

Whenever you cycle a card, you may have Crystalline Resonance become a copy of another target permanent until your next turn, except it has this ability.

Enchant creature

Enchanted creature can't attack or block.

When enchanted creature becomes the target of a spell or ability, exile that creature.

Undaunted (This spell costs less to cast for each opponent.)

Destroy two target creatures.

Creatures with forestwalk can be blocked as though they didn't have forestwalk.

Target creature gains deathtouch until end of turn and must be blocked this turn if able.

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

At the beginning of your upkeep, put a spore counter on Deathspore Thallid.

Remove three spore counters from Deathspore Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets -1/-1 until end of turn.

Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Whenever one or more non-Toy creatures you control attack a player, create a 1/1 white Toy artifact creature token.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Players can cast spells only during their own turns.

Flash

Flying

Dreamcaller Siren can block only creatures with flying.

When Dreamcaller Siren enters, if you control another Pirate, tap up to two target nonland permanents.

Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control.

Whenever you cast a creature spell that has an Adventure, draw a card. (It doesn't need to have gone on the adventure first.)