Mishra's Self-Replicator

Mishra's Self-Replicator

Artifact Creature - Assembly-Worker | Power/Toughness: 2 / 2 (CMC 5)
Whenever you cast a historic spell, you may pay . If you do, create a token that's a copy of Mishra's Self-Replicator. (Artifacts, legendaries, and Sagas are historic.)

Token: