Nori, the Tinker

When Nori, the Tinker enters the battlefield, create a Treasure token.
Brotherhood with Ori, the Younger and
Dori, the Elder (If you control either Ori or
Dori, then Nori gets +1/+1, if you control both
then Nori instead gets +2/+2; you may have multiple commanders if they are all in a brotherhood.)