Glistening Sphere (Extended Art) [Phyrexia: All Will Be One Commander] Promotional Schemes Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice

and ungoverned by rationale

This ability still resolves if its target becomes illegal

No evidence

Some myr monitor other myr

Glistening Sphere (Extended Art) [Phyrexia: All Will Be One Commander] Promotional Schemes Set: Portal Three Kingdoms Type:Set: Phyrexia: All Will Be One Commander Type: Artifact Rarity: Rare Cost: {3} Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, 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.