In addition to the obvious things like Syphon cards (do some effect to each other player, gain benefits depending on how many other players this hit), there are cards that affect a random opponent, cards that give everyone the game the ability to join forces to create a big effect (for example, a sorcery that lets everyone pitch in mana and then lets everyone put lands into play from their decks), and Enchant Creature cards sorry Auras that boost the creature while preventing it from attacking to
It is the highest graded example that exists
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Dont expect the mutant turtle to see play outside Commander, though
Vraskas Contempt is a welcome removal spell, one thats perfect at dealing with all of the indestructible creatures, most notably Hazoret the Fervent
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