Aiko, Shrine Maiden

Pacifism (This creature cannot attack or block)
You may cast 1 blue or 1 white spell from your hand with converted mana cost 3 or less without paying its mana cost on each of your turns.
If Aiko, Shrine Maiden becomes the target of a spell or ability, Blink it. (To Blink a creature, exile the creature, and bring it back to the field when the stack fully resolves)