Alita, Royal Broodmother

Coven, Prowess
Whenever a creature you control with Infest dies,
you put double the amount of Swarm tokens into
play under your control.
{3}{t}, Destroy target creature with converted
mana cost equal to or less than the number of
Swarm tokens you control.
Sacrifice 3 Swarm tokens. Untap Alita, Royal Broodmother.