Oki, Beast on Every Plane

+1: Create a 0/1 green Egg creature token with defender.
-1: Oki, Beast on Every Plane deals damage to target creature or planeswalker equal to Oki's loyalty as this ability resolves.
-5: Sacrifice three tokens. Oki, Beast on Every Plane becomes a 6/6 green Beast creature with trample and haste and loses all other types.