Replicating Bogswallow

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create
a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control.
Exile the tokens at end of combat.)
Whenever Replicating Bogswallow deals combat
damage to a player, that player loses X life, where
X is the number of creatures you control named Replicating Bogswallow.