Crypt Fiend Swarmer

Reach
When Crypt Fiend Swarmer enters the battlefield, create a token that is a copy of
Crypt Fiend Swarmer. If there is a Plague token
on the battlefield, create two tokens instead.
Whenever a Plague token is attached to a player,
create a token that is a copy of Crypt Fiend
Swarmer.