Grub, Notorious Auntie
Menace
Whenever this attacks, you may blight 1. If you do, create a tapped and attacking token that's a copy of the blighted creature, except it has "At the beginning of the end step, sacrifice this token." (To blight 1, put a -1/-1 counter on a creature you control.)
At the beginning of your first main phase, you may pay . If you do, transform this.