Aven Shrine 
Enchantment
$0.42 #21737 0.00 24.9 years
Whenever a player casts a spell, that player gains X life, where X is the number of cards in all graveyards with the same name as that spell.
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Cards similar to Aven Shrine 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.
Nantuko Shrine92%
$1.79↑#187610.75↑24.9 years
"Whenever a player casts a spell, that player creates X 1/1 green Squirrel creature tokens, where X is the number of cards in all graveyards with the same name as that spell."
Dwarven Shrine86%
$0.42#31289↓0.50↑24.9 years
"Whenever a player casts a spell, this enchantment deals X damage to that player, where X is twice the number of cards in all graveyards with the same name as that spell."
Cabal Shrine86%
$0.35↓#31094↓0.23↑24.9 years
"Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell."
Bloodbond March77%
$0.76↑#16858↑0.57↑20.9 years↓
"Whenever a player casts a creature spell, each player returns all cards with the same name as that spell from their graveyard to the battlefield."
Bazaar of Wonders77%
$2.52↑#28239↓0.50↑29.9 years↑
"Whenever a player casts a spell, counter it if a card with the same name is in a graveyard or a nontoken permanent with the same name is on the battlefield."
Cephalid Shrine75%
$0.29↓#30163↓0.44↑24.9 years
"Whenever a player casts a spell, counter that spell unless that player pays 
, where X is the number of cards in all graveyards with the same name as the spell."
, where X is the number of cards in all graveyards with the same name as the spell."
Accumulated Knowledge74%
$0.33↓#254050.0026.6 years↑
"Draw a card, then draw cards equal to the number of cards named this card in all graveyards."
Life Burst72%
$0.17↓#30893↓0.28↑24.9 years
"Target player gains 4 life, then gains 4 life for each card named this card in each graveyard."