Thorn of Amethyst (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Kaladesh Inventions Spend this mana only to

Spend this mana only to cast a multicolored spell

If you would lose the game

Set: Theros Beyond Death Promos Type: Sorcery Rarity: Rare Cost: {2}{W} Search your library for an enchantment card

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Sorcery Rarity: Rare Cost: {1}{U}{U} Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more

Whenever Zhao Zilong

Thorn of Amethyst (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Kaladesh Inventions Spend this mana only toSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Rare Cost: {2} Noncreature spells cost {1} more to cast. "The geode must be mined in moonlight and broken open by a silver hammer." *Tome of Obstructions*