Battlefield Valkyrie

Flying First Strike Lifelink
Battlefield Valkyrie can't be blocked.

Whenever Battlefield Valkyrie enters the
battlefield, destroy all creatures with a
power and toughness of 2/2 or less.
{p/b}{p/b} You may play any creature from any graveyard as though it were still on the
battlefield. Any creatures you control this
way gains Deathtouch and Hexproof.