At the beginning of your upkeep, you may exile all cards from your hand face down
Back in 2019, one of WotC's stated goals for Pioneer was to provide a non-rotating format where Standard cards would rotate into by 2019, Modern's card pool had become so large that it no longer served the needed role of format where you can use your Standard cards after rotation. Pioneer was designed as that retiring home of sorts, where Standard cards could see play after being rotated out
Plot only as a sorcery.) You sacrifice the permanents as part of the resolution of Pitiless Carnage
The more cheap cycling lands you have, the more lands you can play since some of your mana base comes with built-in flood protection
As a healer, he's also got ways to give you life, like with Strength of the Pride giving life equal to the creatures and Planeswalkers you control
Once its in your hand, you can still cast the adventure side againbut the graveyard only cares about the permanent