Oracle of Bones {2}{R}{R}
Creature — Minotaur Shaman
Haste
Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)
When this creature enters, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost.
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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.
Spectral Arcanist 89%
$0.24#12254
"When this creature enters, you may cast an instant or sorcery spell with mana value less than or equal to the number of Spirits you control from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead."
Micromancer 85%
$0.20#9901
"When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle."
Diluvian Primordial 83%
$0.63#3566
"When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead."
Impulsivity 83%
$0.28#6414
"When this creature enters, you may cast target instant or sorcery card from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead."
Scholar of the Lost Trove 83%
$0.28#10197
"When this creature enters, you may cast target instant, sorcery, or artifact card from your graveyard without paying its mana cost. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead."
Chancellor of the Spires 82%
$0.40#13685
"When this creature enters, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost."
Crackling Spellslinger 82%
$1.39#8531
"When this creature enters, if you cast it, the next instant or sorcery spell you cast this turn has storm."