Fraying Omnipotence {3}{B}{B}
Sorcery
Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control of their choice. Round up each time.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Pox Plague 99%
$0.33#11937
"Each player loses half their life, then discards half the cards in their hand, then sacrifices half the permanents they control of their choice. Round down each time."
Scourge of the Skyclaves 86%
$0.53#11439
"When you cast this spell, if it was kicked, each player loses half their life, rounded up."
Radioactive Man 84%
$0.76#24925
"Whenever this card deals combat damage to a player, that player loses half their life, rounded up."
Shredder, Shadow Master 84%
$0.94#6431
"Whenever this card deals combat damage to a player, that player loses half their life, rounded up."
Havoc Festival 81%
$0.35#8279
"At the beginning of each player's upkeep, that player loses half their life, rounded up."