Knight of Cliffhaven

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
2/3
Flying
LEVEL 4+
4/4
Flying, vigilance

Fallen Angel

Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Augury Owl

Flying
When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Thunder Drake

Flying
Whenever you cast your second spell each turn, put a +1/+1 counter on Thunder Drake.

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.

Priority Avenger

Flying
Players can’t cast instant spells unless a spell or ability is on the stack.

Artificer’s Assistant

Flying
Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Wee Dragonauts

Flying
Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

Murder of Crows

Flying
Whenever another creature dies, you may draw a card. If you do, discard a card.

Maelstrom Archangel

Flying
Whenever Maelstrom Archangel deals combat damage to a player, you may cast a spell from your hand without paying its mana cost.

Dominus of Fealty

Flying
At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn.

Will-o’-the-Wisp

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Regenerate Will-o’-the-Wisp. (The next time this creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Windgrace Acolyte

Flying
When Windgrace Acolyte enters the battlefield, mill three cards and you gain 3 life.

Dragonlord Ojutai

Flying
Dragonlord Ojutai has hexproof as long as it’s untapped.
Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Eddytrail Hawk

Flying
When Eddytrail Hawk enters the battlefield, you get (two energy counters).
Whenever Eddytrail Hawk attacks, you may pay . If you do, another target attacking creature gains flying until end of turn.

Welkin Tern

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Welkin Tern can block only creatures with flying.

Snapping Drake

Flying (This creature can’t be blocked except by creatures with flying or reach.)

Innocuous Insect

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Flash
Flying
When you cast this spell, draw a card.

Bartizan Bats

Flying (This creature can’t be blocked except by creatures with flying or reach.)