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A counter for how many Rares/Mythics you own of a set

Ive added a fair number of artifact removal spells, since The Immortal Sun will be a huge thorn in our plans and its a fairly popular card in Commander

Pest Control is a board wipe with loads of good targets it can hit, and a spell that hoses token strategies so hard that it may put an end to one of the current best MTG Arena decks, Boros Convoke

Honestly, Feline Ferocity looks really solid in terms of ratios

You spend resources while other players benefit from staying back

The pure Swamp route is better in terms of consistently hitting the numerous BB, BBB, and BBBB costs in the deck, as well as generating the most powerful Lashwrithe possible