Youre in luck our sister site, Retro Dodo, has covered the best sleeves for MTG cards in their best Magic: The Gathering sleeves list
Virtue of Persistence Virtue of Persistences adventure is a pretty cheap removal spell and can take out some decent early game threats
Sanctum of All Sanctum of All is also very restrictive, in the sense that it only goes in 5-color shrine decks, and you must have six or more shrines for it to do its thing
Chimil, the Inner Sun ($21.22) Spending 6 mana to make your spells uncounterable is a bit expensive, but at least being a colorless artifact allows Chimil, The Inner Sun to be in any color of deck aside from Green
Premium lands like Underground Sea, Volcanic Island, and Badlands mean you dont even have to worry about tempo loss when fixing
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