Glistening Sphere - Phyrexia: All Will Be One Commander - 20

Artifact

Mana Cost: {3}

This artifact enters tapped.
When this artifact 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.

Rare · Phyrexia: All Will Be One Commander · #20 (ONC)

Illustrated by Tuan Duong Chu