Ugin's Mastery

Condition: Near Mint
Color: Colorless
Card Text: Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up.
Rarity: R
Cost: 4
Card Type: Enchantment
Artist: David Astruga
Name: Ugin's Mastery
Finish: Regular
Card Number: 0718 
Set Name: Commander Masters