Zuko, the Blue Spirit

Whenever Zuko, the Blue Spirit attacks, target creature cannot block this turn.
Whenever Zuko, the Blue Spirit deals combat
damage to a player, return target instant or
sorcery card with converted mana cost three
or less to your hand from the graveyard.
"It's time for you to look inward, and begin asking yourself the big questions. Who are you and what do
you want?" ~Iroh