Obuun, Mul Daya Ancestor [Commander: Zendikar Rising]

Set: Commander: Zendikar Rising Type: Legendary Creature — Elf Spirit Mythic Cost: {1}{R}{G}{W} At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land. Landfall — Whenever land enters the battlefield under your control, put a +1/+1 counter on target creature.