Reggie Rowe, the anchor

defender
As long as you control a creature with power 6 or greater, Reggie Rowe, the anchor can attack as if he didn't have defender.
If Reggie Rowe, the anchor attacks or blocks, target creature you control gains +X/+X until end of turn where X is Reggie Rowe's toughness

Tribe mates (this creature can be partnered with another creature that has the key word Tribe mates)