Red Dragon of Death

Flying, Trample, Menace
{2}{b/r} Tap two of Ron's Creatures
{3}{b/r} Tap two of Casey's Creatures
{x}{b/r}{b/r}{b/r}{b/r} Add a counter to all Artifacts, Planeswalkers, or any other creature who already has a counter on it. (where X is the number of Red or Black creatures you currently control).