"Even if we defeat it, what remains to be saved?"
—Glissa Sunseeker

The Brothers' War Retro Artifacts

Sundering Titan

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

Double Masters

When Sundering Titan enters the battlefield or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

Masters 25

"Truth be told, my team had hoped never to see the day it was deployed."
—Consulate engineer's log

Kaladesh Inventions

From the Vault: Relics

Archenemy

Darksteel

When Sundering Titan comes into play, choose a land of each basic land type, then destroy those lands.
When Sundering Titan leaves play, choose a land of each basic land type, then destroy those lands.