Marcus Velafi

Marcus Velafi enters the battlefield with +1/+0 for each {b} and +0/+1 for each {u} used while casting this creature.
Marcus Velafi cannot block Skeleton creatures and deals no damage if blocked by a skeleton
{r}{r}: Place a 1/1 red imp token with haste on the battlefield
{u}{b}{t}; Target creature gains +X/+X until end of turn where X is Marcus Velafi's power