I think progressive scrying is an idea worth testing but in the years since joining the CAG, Ive come to the conclusion that the player 4 problem is not as big of a problem as I once thought
As the world's jankiest brewers online have pointed out, you can also build a giant mutate stack, clone its effect with Deadpool, then find a way to bounce it back to hand and replay all the mutate creatures onto Deadpool (who is a mutant, not a human) for double the triggers
Incapsula incident ID: 305000210152185802-523034211019457868
For example, if you cast Cresting Mosasaurus for its emerge cost and sacrifice a creature whose mana value is 3, Cresting Mosasaurus's mana value remains 8
Vantress Transmuter Vantress Transmuter is an underwhelming creature, but its adventure is honestly good enough on its own for me to consider playing it in certain builds