Gutwrencher Oni {3}{B}{B}
Creature — Demon Spirit
Trample
At the beginning of your upkeep, discard a card if you don't control an Ogre.
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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.
Lim-Dûl's Paladin 89%
$0.26#28541
"At the beginning of your upkeep, you may discard a card. If you don't, sacrifice this creature and draw a card."
+1 more matching line
Enemy of Enlightenment 83%
$0.08#25476
"At the beginning of your upkeep, each player discards a card."
Forgotten Creation 82%
$0.26#3384
"At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards."
Necrogen Mists 81%
$10.48#6365
"At the beginning of each player's upkeep, that player discards a card."
Bottomless Pit 80%
$7.95#5514
"At the beginning of each player's upkeep, that player discards a card at random."