Mikasa Ackerman

Double Strike, Reach, Trample
Prevent all damage dealt to Mikasa Ackerman
by Titan cards.
Whenever Mikasa Ackerman attacks, all
opponents discard a card and sacrifice a creature.
If they can't do either, they instead lose 5 life.
Whenever Mikasa Ackerman deals combat
damage to a player, you may reveal a card from
your hand. All opponents lose life equal to that
card's converted mana cost.