mtg slime against humanity commander deck not only fits the theme for this but also is going to be auto includes and be absolutely nasty! @wizards_magic is out here trying to break the card How To Build A Slime

A player with 10 poison counters loses the game

Gustav The Giant, Terror of the Kingdom Large and in charge A call-back to one of the most popular Disney Lorcana cards from The First Chapter - Mickey Mouse, Brave Little Tailor - Gustav The Giant, Terror of the Kingdom is a card featuring the large villain from the same animated short

Something that both these and the before mentioned taxing effects have in common are that they give opponents a choice and doesn't force a condition on the game itself that is insurmountable

You'll pay the appropriate cost, and the spell will go on the stack as normal

I put it into Unglued 2 but the project was put on hiatus soon after