Scourge of Numai 

Creature — Demon Spirit
At the beginning of your upkeep, you lose 2 life 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.
Mindwrack Demon 98%
$0.38#19202
"At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard."
Reaver Drone 93%
$0.05#28082
"At the beginning of your upkeep, you lose 1 life unless you control another colorless creature."
The One Ring 92%
$101.85#90
"At the beginning of your upkeep, you lose 1 life for each burden counter on this card."
Vampire Lacerator 92%
$0.10#21780
"At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life."
Rassilon, the War President 89%
$0.28#17519
"At the beginning of your upkeep, you lose 2 life and exile the top card of your library. You may play that card for as long as it remains exiled."
Quest for the Nihil Stone 87%
$1.52#10315
"At the beginning of each opponent's upkeep, if that player has no cards in hand and this enchantment has two or more quest counters on it, you may have that player lose 5 life."
Nightshade Schemers 87%
$0.33#22824
"At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, each opponent loses 2 life."
Hollowborn Barghest 87%
$0.33#26076
"At the beginning of your upkeep, if you have no cards in hand, each opponent loses 2 life."