Octavia, Living Thesis 
Legendary Creature — Elemental Octopus
$0.78 #5995 0.16 5.4 years
This spell costs less to cast if you have eight or more instant and/or sorcery cards in your graveyard.
less to cast if you have eight or more instant and/or sorcery cards in your graveyard.Ward
Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.
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Cards similar to Octavia, Living Thesis 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.
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"This spell costs 
less to cast for each instant and sorcery card in your graveyard."
less to cast for each instant and sorcery card in your graveyard."+1 more matching line
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