Edzijoczka, Opulent Grace

Edzijoczka, Opulent Grace enters the battlefield tapped. It doesn't untap during your untap step unless you control three or more multicolored permanents or have cast two or more multicolored spells since the beginning of your last turn.
{t}: Add one mana of any color. When that mana is spent to cast a multicolored spell, draw a card, you gain 3 life, and you may untap up to one other target permanent