Teremko Griffin

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Ravenous Vampire

Flying
At the beginning of your upkeep, you may sacrifice a nonartifact creature. If you do, put a +1/+1 counter on Ravenous Vampire. If you don’t, tap Ravenous Vampire.

Mtenda Griffin

Flying
, : Return Mtenda Griffin to its owner’s hand and return target Griffin card from your graveyard to your hand. Activate this ability only during your upkeep.

Crimson Hellkite

Flying
, : Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Skulking Ghost

Flying
When Skulking Ghost becomes the target of a spell or ability, sacrifice it.

Crimson Roc

Flying
Whenever Crimson Roc blocks a creature without flying, Crimson Roc gets +1/+0 and gains first strike until end of turn.

Unyaro Griffin

Flying
Sacrifice Unyaro Griffin: Counter target red instant or sorcery spell.

Leering Gargoyle

Flying
: Leering Gargoyle gets -2/+2 and loses flying until end of turn.

Teferi’s Imp

Flying
Phasing (This phases in or out before you untap during each of your untap steps. While it’s phased out, it’s treated as though it doesn’t exist.)
Whenever Teferi’s Imp phases out, discard a card.
Whenever Teferi’s Imp phases in, draw a card.

Teeka’s Dragon

Flying; trample; rampage 4 (Whenever this creature becomes blocked, it gets +4/+4 until end of turn for each creature blocking it beyond the first.)

Asmira, Holy Avenger

Flying
At the beginning of each end step, put a +1/+1 counter on Asmira, Holy Avenger for each creature put into your graveyard from the battlefield this turn.

Frenetic Efreet

Flying
: Flip a coin. If you win the flip, Frenetic Efreet phases out. If you lose the flip, sacrifice Frenetic Efreet. (While it’s phased out, it’s treated as though it doesn’t exist. It phases in before you untap during your next untap step.)

Shauku, Endbringer

Flying
Shauku, Endbringer can’t attack if there’s another creature on the battlefield.
At the beginning of your upkeep, you lose 3 life.
: Exile target creature and put a +1/+1 counter on Shauku.

Hakim, Loreweaver

Flying
: Return target Aura card from your graveyard to the battlefield attached to Hakim, Loreweaver. Activate this ability only during your upkeep and only if Hakim isn’t enchanted.
, : Destroy all Auras attached to Hakim.

Catacomb Dragon

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.

Vaporous Djinn

Flying
At the beginning of your upkeep, Vaporous Djinn phases out unless you pay . (While it’s phased out, it’s treated as though it doesn’t exist. It phases in before you untap during your next untap step.)

Spirit of the Night

Flying, trample, haste, protection from black
Spirit of the Night has first strike as long as it’s attacking.

Pearl Dragon

Flying
: Pearl Dragon gets +0/+1 until end of turn.

Nalathni Dragon

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)
: Nalathni Dragon gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Nalathni Dragon at the beginning of the next end step.