Katara, Warrior and Healer

Vigilance, lifelink

{1}{u}: Regerate target creature or play a target creature card from your graveyard.

If you have already played a land this turn, you
may play an additional land that can produce {u}
from your graveyard or your hand.

"Give me one reason to think you might hurt Aang,
and I'll make sure your destiny ends."