It enters with +1/+1 counters based on how much mana you invest, which matters because its ability cares about power when flipping cards from the bottom of your library
I mean, its not a bad card, and its mechanically a good card for your decks, but the mechanics arent a nice fit, and adding Mirage in front of it doesnt really work for me as a way to run it here
Each half is too weak to win a game of Commander, but together, they stand a chance
It supports many other decks very well, but its price is definitely related to its ex- Clue -sivity
Youve got an emphasis on ETB abilities here to get value as soon as The Mimeoplasm comes into play
Notably, opponents can't try to remove historic permanents you control from the battlefield at that time