Meme Man, Art Incantation

Meme Man enters the battlefield with a +1/+1
counter on it for each different colour mana
spent to cast him.
Meme Man enters the battlefield with a -1/-1
counter on it for every two or more of the same
mana spent to cast him.
If one or more {c} was spent to cast this spell,
Meme Man gains shadow. (It can only block and
be blocked by creatures with shadow.)