Zuko, Outcast Prince

Haste
Relentless {1}{r}(If a spell or ability would cause
this creature to return to your hand from the
battlefield, you may pay it's Relentless cost to cast
it until the end of your next turn.)
{2}{r}: Zuko, Outcast Prince deals 2 damage
to target creature. It cannot block this turn.

"I've always had to struggle and fight and that makes
me strong. It's made me who I am."
~Zuko