mtg cards like sol ring Altered Art Sol Ring (double rainbow foil)

She releases Phyrexianizing spores wherever she goes and beheads her prey before devouring them

Ramunap Red isnt interested in playing against a plethora of 1/1 lifelink tokens, and thats exactly what Mavren Fein, Dusk Apostle can deliver, especially if your deck is poor at blocking like Ramunap Red is

They can use these to spend on buying packs, while earning a few along the way

If your Cube features Pyretic Ritual and the like this card is very appealing, and I do imagine that it will be more effective at actually closing games on average than Empty the Warrens both for being far more effective with lower Storm counts and for producing bodies that matter far more in the late game