Aang, the Last Airbender (TLA 4)

Legendary Creature — Human Avatar Ally • Mana cost: {3}{W} • Avatar: The Last Airbender • Uncommon

Flying
When Aang enters, airbend up to one other target nonland permanent. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cost.)
Whenever you cast a Lesson spell, Aang gains lifelink until end of turn.

Illustrated by Yueko.