Sacrifice this creature: This creature deals 1 damage to target creature unless that creature's controller has this creature deal 2 damage to them.

Mill two cards.
Draw a card.

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

Sacrifice this creature: Draw a card, then discard a card.

Sacrifice this creature: You may put a land card from your hand onto the battlefield.

Flying

Lava Dart deals 1 damage to any target.
Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gains flying until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target card from a graveyard. Its owner creates a 1/1 white Spirit creature token with flying.

Exile X target cards from a single graveyard.

Target creature loses flying until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

, Sacrifice this creature: Target green creature gets +1/+0 and gains first strike until end of turn.

Counter target sorcery spell.

Sacrifice this creature: Target creature gets -2/-0 until end of turn.

When this creature enters, you may put target card from a graveyard on the bottom of its owner's library.

Tap up to two target creatures.

This creature enters with two +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.

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

Discard a card: Prevent all damage that would be dealt to this creature this turn.

Enchant creature
Enchanted creature gets +2/+2 and can't attack.

Target nonblack creature gets -1/-1 until end of turn.
Threshold — If seven or more cards are in your graveyard, instead destroy that creature. It can't be regenerated.

Counter target spell unless its controller exiles all cards from their graveyard.
Draw a card.

: Add one mana of any color that a land you control could produce.

When this creature enters, put a +1/+1 counter on target creature.

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

When this creature enters, exile a land you control.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Damage can't be prevented this turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. Its controller may exile three cards from their graveyard for that player to ignore this effect until end of turn.

Target creature gets +1/+0 and gains first strike until end of turn.
Draw a card.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +2/+2 and has ": This creature deals 1 damage to any target."

: Return two target cards from an opponent's graveyard to their hand. Destroy target artifact or enchantment.

Draw a card for each attacking creature.

You gain 1 life for each creature you control.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all damage that sources of the color of your choice would deal this turn.
Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Return target card from an opponent's graveyard to their hand. Prevent all damage that would be dealt to any target this turn by a source of your choice.

This creature enters with two +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.