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

Search your library for a card with the same name as target nontoken creature, put that card onto the battlefield, then shuffle.

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

Draw two cards.

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

Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost.

Each player exiles two cards from their hand.

Protection from black

At the beginning of your upkeep, this creature deals 5 damage to you unless you sacrifice a creature other than this creature. If this creature deals damage to you this way, tap it.

: Destroy target creature or land.

When Minsc & Boo enters and at the beginning of your upkeep, you may create Boo, a legendary 1/1 red Hamster creature token with trample and haste.

+1: Put three +1/+1 counters on up to one target creature with trample or haste.

−2: Sacrifice a creature. When you do, Minsc & Boo deals X damage to any target, where X is that creature's power. If the sacrificed creature was a Hamster, draw X cards.

Minsc & Boo, Timeless Heroes can be your commander.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature of their choice.

Sacrifice a creature or land: Add .

This spell has flash as long as you control a permanent with flash.

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

Destroy target creature.

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

Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

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

Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

This creature gets +1/+0 for each artifact you control.

: Return this card from your graveyard to the battlefield, then sacrifice a creature. Activate only during your upkeep.

+2: Each opponent loses 1 life. You gain life equal to the life lost this way.

−2: Create a 5/5 black Demon creature token with flying. You lose 2 life.

−8: You get an emblem with ", Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power."

Ob Nixilis of the Black Oath can be your commander.

Enchant creature

At the beginning of your upkeep, sacrifice a creature.

Enchanted creature gets +3/+3 and has trample.

Enchanted creature is a Demon Spirit.

, : Create a 1/1 green Snake creature token. If you control ten or more creatures, flip this creature.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre.

Sacrifice a creature: Add one mana of any color.

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

, , Sacrifice a creature: Draw a card.

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

When this artifact enters, look at the top four cards of your library. Put two of them into your hand and the rest into your graveyard. You lose 2 life.

, , Collect evidence 3: Each opponent loses 3 life unless they discard a card or sacrifice a creature. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

When this creature enters, you may have target opponent sacrifice a creature of their choice.

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)

Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

, , Sacrifice a creature: This creature deals X damage to target creature, where X is a number in the sacrificed creature's text box.

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

Pyrrhic Blast deals damage equal to the sacrificed creature's power to any target. Draw a card.

, , Sacrifice a creature: Destroy target enchantment.

Equipped creature gets +1/+0 for each blood counter on this Equipment and has ", Sacrifice a creature: Put a blood counter on Rakdos Riteknife."

, Sacrifice this Equipment: Target player sacrifices a permanent of their choice for each blood counter on this Equipment.

Equip

, , Sacrifice a creature: Draw a card and put a soul counter on this artifact. Activate only as a sorcery.

, , Sacrifice this artifact: Each opponent loses life equal to the number of soul counters on this artifact.

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

Reckless Abandon deals 4 damage to any target.

, , Sacrifice a creature: Draw a card.

As long as you control a Cleric, this artifact has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

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

Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld.

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

Gain control of target nonartifact, nonblack creature.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell.)

Exile the top two cards of your library. You may play those cards this turn.

Exploit (When this creature enters, you may sacrifice a creature.)

When this creature exploits a creature, each opponent sacrifices a creature of their choice.

Flying

Whenever you sacrifice a creature, target opponent sacrifices a creature of their choice.

, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")

Sacrifice three Treasures: Draw a card.

Sacrifice a creature: Target player discards two cards. Activate only as a sorcery.

As an additional cost to cast this spell, sacrifice a creature with power 4 or greater.

Search your library for a Dinosaur creature card, put it onto the battlefield, then shuffle. It gains indestructible until your next turn.

Sacrifice a creature: Put a +1/+1 counter on this creature.

When this creature leaves the battlefield, sacrifice a creature.

Flying

When this creature enters, destroy target non-Demon creature.

At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Target creature an opponent controls perpetually gets -0/-3.

, Sacrifice a creature: Destroy target nonbasic land.

Deathtouch

Exploit (When this creature enters, you may sacrifice a creature.)

When Sidisi exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Exploit (When this creature enters, you may sacrifice a creature.)

When this creature exploits a creature, target creature gets -3/-3 until end of turn.

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

Flying

Exploit (When this creature enters, you may sacrifice a creature.)

When this creature exploits a creature, counter target creature spell.

, , Sacrifice a creature: This creature deals 2 damage to any target.

Exploit (When this creature enters, you may sacrifice a creature.)

Whenever a creature you control exploits a nontoken creature, create a 2/2 black Zombie creature token.

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature 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 in a random order.)