Aang, The Avatar

Flying, Vigilance
Avatar State — Whenever Aang attacks, if you control five or more lands, he gains +5/+5 and indestructible until end of turn.
Master of All Elements — Pay 2: Choose one —
Tap or untap target creature (Airbending).
Destroy target artifact or enchantment (Earthbending).
Gain 3 life and prevent the next 3 damage that would be dealt to any target (Waterbending).
Deal 3 damage to any target (Firebending).