Sundering Titan (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] SL11 Whenever a creature token enters

Whenever a creature token enters the battlefield under your control

and this card can only be found in one English-Language Collector Booster

Set: Phyrexia: All Will Be One Type: Legendary Planeswalker Rarity: Mythic Cost: {4}{W}{W} No more than one creature can attack The Eternal Wanderer each combat

Set: XY: Evolutions Type: Fire Rarity: Rare Retreat cost: Colorless

Set: EX: Unseen Forces Type: Lightning Rarity: Rare Retreat cost: Colorless

Sundering Titan (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] SL11 Whenever a creature token entersSet: The Brothers' War Retro Artifacts Type: Artifact Creature Golem Rarity: Mythic Cost: {8} When Sundering Titan enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands. "Give the schematic to the younger brother. Tell him that it will surely keep Argoth's resources out of Urza's hands." Gix, Yawgmoth praetor