Flying, lifelink
Pegasus creatures you control have lifelink.
Constellation — Whenever an enchantment enters the battlefield under your control, create a 2/2 white Pegasus creature token with flying.

Whenever Audacious Thief attacks, you draw a card and you lose 1 life.

When Banishing Light enters the battlefield, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

Return target creature card from your graveyard to the battlefield. It gains haste until your next turn.

Flying
Carnifex Demon enters the battlefield with two -1/-1 counters on it.
, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature.

, , Sacrifice Doomed Necromancer: Return target creature card from your graveyard to the battlefield.

: Look at the top card of your library. If it's a land card, you may reveal it and put it into your hand.

When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each in the mana costs of permanents you control counts toward your devotion to red.)

When Gadwick, the Wizened enters the battlefield, draw X cards.
Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

Attacking creatures you control get +1/+0.

Trample, haste
Lightning Serpent enters the battlefield with X +1/+0 counters on it.
At the beginning of the end step, sacrifice Lightning Serpent.

Lightning Strike deals 3 damage to any target.

When Pollenbright Druid enters the battlefield, choose one —
• Put a +1/+1 counter on target creature.
• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Vigilance (Attacking doesn't cause this creature to tap.)
Other creatures you control have vigilance.

Draw three cards. Target player mills three cards.

When Woe Strider enters the battlefield, create a 0/1 white Goat creature token.
Sacrifice another creature: Scry 1.
Escape—, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Woe Strider escapes with two +1/+1 counters on it.