Humanmade power-ring

As long as humanmade ring is equipped to a creature, humans you control get +1/+1 and vigilance
equipped creature gets +1/+1. If equipped
creature is a human, it gets +2/+2 instead.
Equipped creature has First strike
There can be up to 9 cards in your deck named humanmade power-ring
Equip:{2}{u}{b}
Equip human:{1}{u}{b}