Tapewurm

Shroud, Indestructible, Tapewurm can't attack
or block
Tape Tapewurm to the forehead of an opponent
of your choice: Tapewurm deals 1 damage to the attached opponent. Activate this ability only if Tapewurm is untapped and untaped.
At the beginning of each untap step, all attached opponents create a token that is a copy of
Tapewurm. Untape Tapewurm.