Ghastly Gloomhunter

Kicker (You may pay an additional as you cast this spell.)
Flying, lifelink
If Ghastly Gloomhunter was kicked, it enters the battlefield with two +1/+1 counters on it.

Thieving Skydiver

Kicker . X can’t be 0. (You may pay an additional as you cast this spell.)
Flying
When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with converted mana cost X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Enigma Thief

Prowl (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or a Rogue.)
Flying
When Enigma Thief enters the battlefield, for each opponent, return up to one target nonland permanent that player controls to its owner’s hand.

Faerie Vandal

Flash
Flying
Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.

Master of Winds

Flying
When Master of Winds enters the battlefield, draw two cards, then discard a card.
Whenever you cast an instant, sorcery, or Wizard spell, you may have Master of Winds’s base power and toughness become 4/1 or 1/4 until end of turn.

Archon of Emeria

Flying
Each player can’t cast more than one spell each turn.
Nonbasic lands your opponents control enter the battlefield tapped.

Nimana Skydancer

Flash
Flying
When Nimana Skydancer enters the battlefield, target opponent mills two cards. (They put the top two cards of their library into their graveyard.)

Thieving Skydiver

Kicker . X can’t be 0. (You may pay an additional as you cast this spell.)
Flying
When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with converted mana cost X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Ob Nixilis, Unshackled

Flying, trample
Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.
Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Cloudkin Seer

Flying
When Cloudkin Seer enters the battlefield, draw a card.

Riddlemaster Sphinx

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Riddlemaster Sphinx enters the battlefield, you may return target creature an opponent controls to its owner’s hand.

Angelic Guardian

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say “destroy” don’t destroy them.)

Nimble Obstructionist

Flash
Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Nimble Obstructionist, counter target activated or triggered ability you don’t control.

Curator of Mysteries

Flying
Whenever you cycle or discard another card, scry 1.
Cycling (, Discard this card: Draw a card.)

Dauntless Aven

Flying
Whenever Dauntless Aven attacks, untap target creature you control.

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.)

Wasp of the Bitter End

Flying
Whenever you cast a Bolas planeswalker spell, you may sacrifice Wasp of the Bitter End. If you do, destroy target creature.

Immortal Phoenix

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Immortal Phoenix dies, return it 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.)

Soulblade Djinn

Flying
Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.

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.