The fact that this is the best sac outlet and the joint best engine card makes it super hard to rate this
Curve reality check: If your deck has a lot of 5+ mana spells, do not get cute with 33 lands
Loxi: I almost wish she had web-slinging as a way to get her in super early
Nethroi, Apex Of Death can trigger this effect multiple times since green, black, and white generally have the cheapest mutate creatures, and Nethroi's ability triggers whenever it mutates, not just when it's cast
Designing the cards for the product not only meant they could mechanically match exactly what was needed, but they could also choose the most optimal creative expression of the idea
Era of Innovation goes infinite with cards on the top of this ranking and something that nets mana on sacrifice, like Ashnod's Altar