Fluffy, Pangor's Blessed.

{g/u}{g/u}{g/u}: give all green and blue creatures you control islandwalk and forestwalk until end of turn. all crocodiles you control get +3+3 until end of turn. all creatures named fluffy, grown up, get + 10 + 10 until end of turn.
dont' mess with fluffy. rule 1 in Safaria, an illustrated guide.