Joey Wheeler

Eminence - Whenever you cast a Soldier or
Warrior spell, while this card is in the command
zone or on the battlefield, roll a d6, your
creatures gain +0/+X this turn.
When Joey Wheeler enters the battlefield, roll a
d6, target opponent's creatures lose -X/-0 this
turn.
Ace Monster (You can have two commanders if both
have Ace Monster, and one is a Duelist.)