Nissa, Sage of the Elements

Landfall — Whenever a land enters the
battlefield under your control, you may pay {2}. If you do, put four +1/+1 counters on up to
one target noncreature land you control. Untap
it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
{w}{u}{b}{r}{g}, {t}: Elementals you control gain first strike, flying, deathtouch, lifelink, and trample
until end of turn.