Midrange decks do seem to love playing some mass removal cards that offer some degree of flexibility on what they can kill these days but I am not sure this fits the bill that well
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Anointed Deacon
The inability to make mana for things like Nissas Pilgrimage, From Beyond, Nissas Renewal, Ugin, the Spirit Dragon and basically any plain ol spell restricts you to a very creature-heavy build
Legendary Creature - Elemental Dinosaur Color tag templates(None) Commander (CTRL to add secondary) Aggressive Biomancy Create X tokens that are copies of target creature you control, except they have "When this token enters, it fights up to one target creature you don't control." Sorcery Color tag templates(None) Big Score As an additional cost to cast this spell, discard a card
Look at how big the shark is compared not only to its presumed debtors, but also to the itsy, bitsy coin that it reaches out to grab with that greedy lil hand