Frenzy, Acolyte Vanguard

Frenzy, Acolyte Vanguard can't block.

Whenever another Mutant or artifact
enters the battlefield under your control,
Frenzy gains haste and menace and gets
+1/+1 until end of turn.

"Joanna Cargill? Sometimes. Not too often.
Frenzy. To name it is to own it."