Avatar: The Last Airbender Eternal

Instant

If you control a commander, you may cast this spell without paying its mana cost.
Prevent all damage that would be dealt this turn by creatures your opponents control.

Obscuring Haze

Avatar: The Last Airbender

Instant — Lesson

As an additional cost to cast this spell, pay 5 life or pay {2}.
Change the target of target spell or ability with a single target.

Redirect Lightning

Legendary Creature — Avatar Spirit Ally

Reach, trample
Whenever Aang and La attack, put a +1/+1 counter on each tapped creature you control.

Aang and La, Ocean's Fury

Legendary Creature — Human Avatar Ally

Flash
Flying
When Aang enters, airbend up to one other target creature or spell. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cost.)
Waterbend {8}: Transform Aang.