Return target creature card from your graveyard to the battlefield.

You may cast Spirit spells as though they had flash.

Whenever you cast a creature spell during an opponent's turn, tap up to one target creature.

Flying, soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Breathkeeper Seraph is paired with another creature, each of those creatures has "When this creature dies, you may return it to the battlefield under its owner's control at the beginning of your next upkeep."

: Breathstealer gets +1/-1 until end of turn.

Whenever a creature attacks you, it gets -1/-0 until end of turn.

: Add .

Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.

Flash (You may cast this spell any time you could cast an instant.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Counter target spell.

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.)

Trample

Equipped creature gets +3/+2 and has trample.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Flying

When Broodmate Dragon enters the battlefield, create a 4/4 red Dragon creature token with flying.

Each creature you control gets +2/+0 for each Equipment attached to it.

You may pay rather than pay the equip cost of the first equip ability you activate each turn.

When this creature enters the battlefield or transforms into Brutal Cathar, exile target creature an opponent controls until this creature leaves the battlefield.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Put target instant or sorcery card from your graveyard on top of your library. (Then exile this card. You may cast the creature later from exile.)

As an additional cost to cast this spell, tap any number of untapped creatures you control.

Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.

, , Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Discard a card: Cabal Initiate gains lifelink until end of turn.

Threshold — Cabal Initiate gets +1/+2 as long as seven or more cards are in your graveyard.

, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

, Exile a creature card from your graveyard: Target creature gets -2/-2 until end of turn.

Counter target spell unless its controller pays .

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target.

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

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.

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

Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards you own in exile and in your graveyard that are instant cards, are sorcery cards, and/or have an Adventure.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Vigilance (Attacking doesn't cause this creature to tap.)

Other Soldier creatures you control get +1/+1 and have vigilance.

When Captain of the Watch enters the battlefield, create three 1/1 white Soldier creature tokens.

: Add .

, : Add one mana of any color.

, , Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Enchant creature

At the beginning of your end step, clash with an opponent. If you win, gain control of enchanted creature. Otherwise, that player gains control of enchanted creature. (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.)

Constellation — Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls.

Enchant creature you don't control

Enchanted creature can't attack.

Whenever an opponent casts a spell, if it has a single target, change the target to enchanted creature if able.

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets +1/+3 and has reach and ": Add ."

Channel — , Discard Careful Cultivation: Create a 1/1 green Human Monk creature token with ": Add ."

Flying

At the beginning of your upkeep, sacrifice Carnivorous Death-Parrot unless you say its flavor text.

Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn.

Indestructible

: Add .

, : Add five mana in any combination of colors.

When this Case enters the battlefield, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

To solve — There are five colors among permanents you control. (If unsolved, solve at the beginning of your end step.)

Solved — At the beginning of combat on your turn, target creature you control gains flying, double strike, and vigilance until end of turn.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

, : Target player discards a card. Activate only as a sorcery.

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Cataclysmic Prospecting deals X damage to each creature. For each mana from a Desert spent to cast this spell, create a tapped Treasure token.

Flying

Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down.

Sacrifice Catalyst Elemental: Add .

, , Sacrifice another creature: Target opponent loses life equal to the sacrificed creature's toughness.

Tap five untapped Soldiers you control: Exile target creature.

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

, : Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

, : Search your library for a Mercenary permanent card with mana value 1 or less, put it onto the battlefield, then shuffle.

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

Flash

, Sacrifice Cathar Commando: Destroy target artifact or enchantment.

Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)