mtg karlov commander deck - Murders at Manor - Deep Clue Sea Teysa Karlov Creature Sacrifice Tokens

Aside from the far less potent Modern dredge deck, owning four copies of this ridiculously expensive card is just about the only way to play a competitive Dredge deck and in the Vintage format of all places

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You could even Hail Mary cast it for X=0 to just use the scry part and smooth your draws or add to your storm count

Getting the cards in your end step and discarding leading to exile seems like a drawback, but Instant speed abilities and cards like Reliquary Tower -- making your hand size unlimited -- nullifies that