Im also going to keep two copies of Vraskas Contempt around for now, though its possible that we want more tempo-oriented cards like Ravenous Chupacabra or even Exclusion Mage to fill that role
Since Agent gives +1/+1 counters each time you attack the right person, you can really benefit from The Bastion of Karn, which can tap for four mana to proliferate and increase your counter count on your Commander
It forces both players to equalize lands, creatures, and cards in hand, and if you build around it or time it right, it can feel completely one-sided
some have a handful, while others approach flying as an archetypal build-around
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