Blasphemous Edict has each player sacrifice 13 creatures, though they get to pick which ones they want to sacrifice
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In addition to forcing each player to skip their discard phase, Anvil of Bagardan grants each player an additional draw at the beginning of their draw phase, but then they must choose and discard a card from their hand, offering those playing with graveyard shenanigans the free discard outlet they would have gotten at the end of the turn but now just at the beginning, meaning they could take advantage of it during their respective turns
Both of these cards take up a lot of life, though, and so they come paired with a health amount of lifegain in cards like Papalymo Totolymo, and Y'shtola's own ability.
Sure, they are card disadvantage, but they are allowed to stay, and theres something to be said for not having a threat profile, and let the others blast each other, and then rise above the masses