Qi, Hoarder of Treasure

Defender, Flying, Vigilance
Treasures you control have"{t},
sacrifice this artifact: add two mana
of any one color."
{w}{u}{b}{r}{g}{x}{x}: Qi, Hoarder of Treasure loses Defender and gains trample and gets +X/+0.
You can only pay {x} using mana from Treasures.
Money is power. -Qi