Avatar Yangchen

Flying

Whenever you cast an instant or sorcery spell from your
hand during an opponent's turn, you may pay {1}. If you do, exile that card with three time counters on it instead of putting it into your graveyard as it resolves. Then if the exiled card doesn't have suspend, it gains suspend.

"Many great and wise air nomads have detached themselves and achieved spiritual enlightenment, but Avatar can never do it. Because your sole duty is to the world."