Rubblebelt Rioters 1RG
Creature — Human Berserker
Whenever Rubblebelt Rioters attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.
“If the system is broken, break the system.” -- Domri Rade
Keeping up the habit of posting the most radical card in the spoilers, we now have a great piece of flavor text here. The card itself is also fairly interesting.