The versatility Bloodtithe Harvester demonstrates what a midrange deck wants from its threats: It attacks, blocks, loots via the Blood token, and kills something
Its reds Exquisite Blood/Sanguine Bond combo, and its sweet that the color has access to one
It bears mentioning here before we go any further that while this style of schizophrenic deckbuilding isnt appropriate to 2026 Commander and is one of the quickest ways for your deck to brick, it actually was pretty okay as an approach pre-FIRE design, and won me plenty of games
Not a pure mirror, but one where your decks discard just plays into their plan
The rare is a five-cost enchantment with the ability to draw when a dork of the given type either ETBs or attacks
Moreover, it fights target creature we dont control on ETB, so we can get instant value