Ramos, Dragon Engine
{6}
Legendary Artifact Creature -- Dragon
4/4
Flying
Whenever you cast a spell, put a +1/+1 counter on ~this~ for each of that spell's colors.
Remove five +1/+1 counters from ~this~: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.