Flash
Flying
When this creature enters, target Spirit gains hexproof until end of turn.
You may cast Spirit spells as though they had flash.
Illustrated by Lius Lasahido · Shadows over Innistrad Promos · #81s
There are no rulings for Rattlechains.
When this creature enters, target creature you control gains hexproof until end of turn.
Whenever you cast a Spirit or Arcane spell, target creature gains flying until end of turn.
Enchant creature
When this Aura enters, enchanted creature gains hexproof until end of turn.
Enchanted creature gets +1/+0 and has flying.
Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)
When this creature enters, target creature you control gains flying until end of turn.
When this creature enters, target creature an opponent controls gets -2/-0 until end of turn.
You may cast this spell as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)
When this creature enters, you may return target tapped creature an opponent controls to its owner's hand.