mtg commander duplicate cards In you can't have right, unless the card states otherwise. I only just found out there wer cards like that and I only know of 3 so far, nazgul Copying Your Commander in Magic:

So we moved the card to red and changed its named from Despotic Editor to Frazzled Editor

Luxknight Breacher by Cristi Balanescu Luxknight Breacher | Illustration by Cristi Balanescu Cristi Balanescu created a striking visual fitting of epic sci-fi action

The additional pay off of treasure is sweet, and 7 power is very doable, a simple O-Naginata should do the trick

Vito, Thorn of the Dusk Rose is a great example of this

Captain America can hit the battlefield very early, and immediately start equipping Equipment onto itself since its ...Catch ability will trigger at the start of combat

Combined with the lifegain, its a great way to stabilize in a hostile boardstate