professors research pokemon card - Professor's - Professor Turo 241/198 - Scarlet & Violet - Ultra Rare In the days of Base Set and Neo Genesis Pokemon Scarlet Violet Base Set

They are just like creatures, except they usually don't take specific mana to summon: you can summon them with any mana you want

It would be really nice if Etali, Primal Storm had some kind of keyword with it to give it a little more power

In the late game, this is likely just a band-aid to answer the ramp player who has probably been benefiting from a mana advantage for several turns

Moonmist will transform any double-faced human into whatever they are on the other side

Being a sac outlet on legs that gets bigger the number of creatures you sacrifice, PLUS having spot removal built right in makes Grimgrin a formidable zombie tribal leader still