mtg cards like crop rotation (#30) (halo foil) (borderless) Search your library for a land card Crop Rotation [Secrets of Strixhaven:

A basic example of this would be a card like Relentless Rats, a rat that gets stronger when more copies of the same card are played

Getting access to flip for two mana whenever you like is excellent

Spark Double + Irenicuss Vile Duplication Spark Double and Irenicus's Vile Duplication are Quantum Misalignment but easier on the mana

Magecraft Cards These are 4-drops, and thats asking a ton in cEDH, but there are games where this happens, and it really makes it easy

And even without the sacrifice you still have a four cost Diabolic Tutor that just searches out something as the worst-case scenario

If a certain creature type outnumbers your scarecrows, this card does you more harm than good