Llanowar Behemoth

{3}{G}{G} · Creature — Elemental

Tap an untapped creature you control: This creature gets +1/+1 until end of turn.

Motor: se resuelve a mano

Rulings (1)

Since the activated ability doesn't have a tap symbol in its cost, you can tap a creature (including Llanowar Behemoth itself) that hasn't been under your control since your most recent turn began to pay the cost.
Wizards of the Coast · 2008-04-01