Glistening Sphere (ONC) (#20)

Name: Glistening Sphere
Mana Cost: {3}
Type: Artifact
Collector Number: 20
Oracle Text: Glistening Sphere enters tapped. When Glistening Sphere enters, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.
Rarity: rare
Artist: Tuan Duong Chu