Alleria Windrunner

Reach, deathtouch
Whenever Alleria Windrunner deals combat
damage to a player, you may have target creature
get -X/-X until end of turn, where X is the
amount of damage Alleria Windrunner dealt to
that player beyond the toughness of their
creatures.
{g},{t}: Alleria deals 2 damage to target creature
with flying.