The upside is interesting here, and in many EDH games, you should be able to mill 25+ cards with Space-Time Anomaly alone
(You're not required to say the name of your scheme in a dramatic, villainous tone, but it might make the game more fun.) Once there are no more triggered abilities of any scheme on the stack or waiting to be put on the stack, turn that scheme face down and put it on the bottom of your scheme deck
These Universes Beyond crossovers are a very sore point for a subset of the community, scared and angry that their wizardy card game is being infiltrated by someone who lives in a pineapple under the sea
Once again, Demon of Dark Schemes is a great place to sink your Energy in the late game
Now, whenever you discard a creature card, you can pay three, six or nine mana to produce one, two or three copies of that same creature