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So, in general what makes a good removal spell

Innistrad: Midnight Hunt focused on Werewolves, whereas Crimson Vow will feature Vampires

Cards tied to prizes, contests, and promotional events tend to be the scarcest, because they were never meant for mass distribution in the first place

Attach equipment and auras to Baeloth Barrityl that increase their power and toughness such as Arcane Teachings and Commander's Plate

Alliances does introduce cards that have an alternate cost to casting it -- exiling cards instead of mana

Equilibrium (Tempest/Stronghold/Exodus) You'll hear me use the word "tempo" a lot when describing limited cards