Basandra, Battle Seraph

Flying
Players can’t cast spells during combat.
: Target creature attacks this turn if able.

Furnace Whelp

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Furnace Whelp gets +1/+0 until end of turn.

Flickerwisp

Flying
When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Necropolis Fiend

Delve (Each card you exile from your graveyard while casting this spell pays for .)
Flying
, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Archfiend of Depravity

Flying
At the beginning of each opponent’s end step, that player chooses up to two creatures they control, then sacrifices the rest.

Skyship Stalker

Flying
: Skyship Stalker gets +1/+0 until end of turn.
: Skyship Stalker gains first strike until end of turn.
: Skyship Stalker gains haste until end of turn.

Foe-Razer Regent

Flying
When Foe-Razer Regent enters the battlefield, you may have it fight target creature you don’t control.
Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

Dromoka, the Eternal

Flying
Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

Drogskol Cavalry

Flying
Whenever another Spirit enters the battlefield under your control, you gain 2 life.
: Create a 1/1 white Spirit creature token with flying.

Alhammarret, High Arbiter

Flying
As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way.
Your opponents can’t cast spells with the chosen name (as long as this creature is on the battlefield).

Markov Dreadknight

Flying
, Discard a card: Put two +1/+1 counters on Markov Dreadknight.

Kothophed, Soul Hoarder

Flying
Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

Mindwrack Demon

Flying, trample
When Mindwrack Demon enters the battlefield, mill four cards.
Delirium — At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard.

Flameblade Angel

Flying
Whenever a source an opponent controls deals damage to you or a permanent you control, you may have Flameblade Angel deal 1 damage to that source’s controller.

Deathbringer Regent

Flying
When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

Niblis of Frost

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn’t untap during its controller’s next untap step.

Nephalia Moondrakes

Flying
When Nephalia Moondrakes enters the battlefield, target creature gains flying until end of turn.
, Exile Nephalia Moondrakes from your graveyard: Creatures you control gain flying until end of turn.

Tyrant of Valakut

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying
When Tyrant of Valakut enters the battlefield, if its surge cost was paid, it deals 3 damage to any target.

Aven Mindcensor

Flash
Flying
If an opponent would search a library, that player searches the top four cards of that library instead.

Tah-Crop Elite

Flying
You may exert Tah-Crop Elite as it attacks. When you do, creatures you control get +1/+1 until end of turn. (An exerted creature won’t untap during your next untap step.)

Kefnet the Mindful

Flying, indestructible
Kefnet the Mindful can’t attack or block unless you have seven or more cards in hand.
: Draw a card, then you may return a land you control to its owner’s hand.

Oketra’s Attendant

Flying
Cycling (, Discard this card: Draw a card.)
Embalm (, Exile this card from your graveyard: Create a token that’s a copy of it, except it’s a white Zombie Bird Soldier with no mana cost. Embalm only as a sorcery.)

Archfiend of Ifnir

Flying
Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.
Cycling (, Discard this card: Draw a card.)

Glorybringer

Flying, haste
You may exert Glorybringer as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won’t untap during your next untap step.)