Cult of the Sharpened Stake

At the beginning of your upkeep, you lose 2 life
and create a green cultist creature token with
'sacrifice this creature, destroy target vampire,
werewolf or zombie creature.
{x}{g}{g}, Sacrifice X creatures: Search your
library for X basic land cards, but them onto the
battlefield tapped, then shuffle.
{5}{g}{g}, Sacrifice 5 cultists: Transform the Cult
of the Sharpened Stake.
The Cult of the Sharpened Stake can be your
commander.