Think Twice

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

Ghitu Firebreathing

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
: Enchanted creature gets +1/+0 until end of turn.
: Return Ghitu Firebreathing to its owner’s hand.

Demonic Collusion

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Search your library for a card and put that card into your hand. Then shuffle your library.

Ancient Grudge

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

Sound the Call

Create a 1/1 green Wolf creature token. It has “This creature gets +1/+1 for each card named Sound the Call in each graveyard.”

Rakdos Riteknife

Equipped creature gets +1/+0 for each blood counter on Rakdos Riteknife and has “, Sacrifice a creature: Put a blood counter on Rakdos Riteknife.”
, Sacrifice Rakdos Riteknife: Target player sacrifices a permanent for each blood counter on Rakdos Riteknife.
Equip

Brain Pry

Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can’t, you draw a card.

Lyzolda, the Blood Witch

, Sacrifice a creature: Lyzolda, the Blood Witch deals 2 damage to any target if the sacrificed creature was red. Draw a card if the sacrificed creature was black.

Omnibian

: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Storm Herd

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

Harrier Griffin

Flying
At the beginning of your upkeep, tap target creature.

Bloodbond March

Whenever a player casts a creature spell, each player returns all cards with the same name as that spell from their graveyard to the battlefield.

Dimir Infiltrator

Dimir Infiltrator can’t be blocked.
Transmute (, Discard this card: Search your library for a card with the same converted mana cost as this card, reveal it, and put it into your hand. Then shuffle your library. Transmute only as a sorcery.)

Instill Furor

Enchant creature
Enchanted creature has “At the beginning of your end step, sacrifice this creature unless it attacked this turn.”

Belltower Sphinx

Flying
Whenever a source deals damage to Belltower Sphinx, that source’s controller mills that many cards.

Carven Caryatid

Defender (This creature can’t attack.)
When Carven Caryatid enters the battlefield, draw a card.

Putrefy

Destroy target artifact or creature. It can’t be regenerated.

Dimir Infiltrator

Dimir Infiltrator can’t be blocked.
Transmute (, Discard this card: Search your library for a card with the same converted mana cost as this card, reveal it, and put it into your hand. Then shuffle your library. Transmute only as a sorcery.)