Xar'ulan, Master of Puppets

Whenever a Homunculus creature enters the battlefield you may pay {2}, if you do create a copy token of that creature
{u/b}{u/b}{u/b}{u/b} Sacrifice 3 Homunculus creatures: search your deck for an artifact creature and place it onto the battlefield tapped.
Artificial Partner (You can have two commanders as long as the other is a Non-Legendary Artifact Creature.)