Zeno, Arcane Devourer

Zeno Arcane Devourer is colorless
Zeno gains the color of each Instant and or
Sorcery spell cast that are exactly one color
until end of turn.
If Zeno is all colors, it gains +9/+9 Indestructible
and Trample until end of turn.
{w}{u}{b}{r}{g}, {t}: You may cast one Instant or
Sorcery spell that are excactly one color of each
color without paying thier manacost.