Thou Who Has No Identity

Mimic
Thou Who Has No Identity is all creature types.
Thou Who Has No Identity's power and
toughness is equal to the number of creature
types among all other creatures you control.
{t}: Deal an amount of damage to target creature
or player equal to the number of creature types
among creatures that creature's controller (or
that player) controls.
"It has no true form. It has no identity. It just
exists ever evolving" ~Legend of The Flux