Glistening Sphere [Phyrexia: All Will Be One Commander] Strixhaven Mystical Archive you may return Krovikan Horror

you may return Krovikan Horror to your hand

Set: EX: Dragon Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: Friday Night Magic 2001 Type: Instant Rarity: Rare Cost: {4}{R}{R} You may sacrifice two Mountains rather than pay this spell's mana cost

Set: International Collectors’ Edition Type: Land — Plains Island Rarity: Rare ({T}: Add {W} or {U}

Livonya's own nature is a matter of mystery

Glistening Sphere [Phyrexia: All Will Be One Commander] Strixhaven Mystical Archive you may return Krovikan HorrorSet: 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.