Kitesail Apprentice

As long as Kitesail Apprentice is equipped, it gets +1/+1 and has flying.

Welkin Tern

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

Baloth Cage Trap

If an opponent had an artifact enter the battlefield under their control this turn, you may pay rather than pay this spell’s mana cost.
Create a 4/4 green Beast creature token.

Goblin War Paint

Enchant creature
Enchanted creature gets +2/+2 and has haste.

Windrider Eel

Flying
Landfall — Whenever a land enters the battlefield under your control, Windrider Eel gets +2/+2 until end of turn.

Vampire Aristocrat

Sacrifice a creature: Vampire Aristocrat gets +2/+2 until end of turn.