it isnt the end of the world to give a single opponent a card, but this is last resort removal for decks that are desperate
Just be sure to time it correctly as this spell is only as good as the number of creatures on board, making this weak against metas with low creature counts
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In fact, a resolved Teferi, Time Raveler will probably be game against any grindy matchup, where opponents will have to cast their Vraskas Contempts at sorcery speed
Before Vivi, it was Cori-Steel Cutter