Ramos, Dragon Engine is a mythic Legendary Artifact Creature — Dragon card from Magic Online Promos (PRM), collector number 86212.
Flying Whenever you cast a spell, put a +1/+1 counter on Ramos for each of that spell's colors. Remove five +1/+1 counters from Ramos: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.