Civic Stalwart

When Civic Stalwart enters, creatures you control get +1/+1 until end of turn.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Flying
Whenever Pegasus Courser attacks, another target attacking creature gains flying until end of turn.

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

Creatures you control get +1/+1 until end of turn.

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

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Creatures you control get +2/+1 until end of turn.