Pacifism

Enchant creature
Enchanted creature can't attack or block.

Warden of Evos Isle

Flying
Creature spells with flying you cast cost {1} less to cast.

Flying
When Cloudkin Seer enters, draw a card.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.

Flying
Whenever Nightveil Sprite attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flash (You may cast this spell any time you could cast an instant.)
Flying
{3}{U}: Draw a card.

Flash
When Seal Away enters, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)