Ancient Mana-Golem

Whenever mana is added to a mana pool, Ancient Mana-Golem gets +1/+1 until end of turn. If that mana was white, it gains vigilance until end of turn. If that mana was blue, it gains flying until end of turn. If that mana was black, it gains lifelink until end of turn. If that mana was red, it gains first strike until end of turn. If that mana was green, it gains trample until end of turn.
"These things are so complicated, it would take me a whole page to expalin it."