Yveltal

Flying, Deathtouch, First strike, Haste
Whenever Yvetal attacks, choose any number of target creatures defending player controls. Those creatures
gain reach this turn and must block Yvetal if able.
Whenever a non commander creature would die, if
that creature was dealt combat damage by Yvetal this
turn, you gain control of that creature.
Players can't block creatures they own.
Whenever an opponent would be dealt combat damage
by a creature they own but do not control, that
creature deals double