mewtwo pokemon card brilliant stars - 056/172 - Rare Pokémon Hit Points130 HP Form Pokemon Trading Card Game Sword

But that has diminishing returns

For example, if a player casts Naturalize ("Destroy target artifact or enchantment") targeting an artifact, Glimmervoid Basin's first ability will copy it for each artifact and enchantment it could target (and each copy will target a different one of those), not just for each artifact it could target

This already existed as the heavily played four mana to drop and four to use and colorless Quicksilver Amulet

It's this scarcity that makes them so highly desirable though, with some players using them to flex their incredible luck (or, in a lot of cases, the thickness of their wallets)