Corwinn's Golden Acorn

Phasing, golden (Colorless mana cannot be spent to pay this card's casting cost.)
Applause, applause - If you yell "I'm so
sorry!" at the top of your lungs when you cast this card, it loses phasing.
{t}: Add five mana of any one color to your mana pool, then target player gains control
of Corwinn's Golden Acorn.