Kamara, the Poisoner

Cast this spell only if there are three or more creatures destroyed by a Poison in an opponents
graveyard.
Whenever an creature enters the battlefield the battlefield, create a Poison token "Sacrifice this
token: Destroy target creature." If that creature's converted mana cost was greater than the number
of Saprolings you control.
{b}}{t}: Create a 1/1 Saproling token.