Molten Monstrosity {7}{R}
Creature — Hellion
This spell costs {X} less to cast, where X is the greatest power among creatures you control.
Trample
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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.
The Skullspore Nexus 100%
$10.76#1591
"This spell costs {X} less to cast, where X is the greatest power among creatures you control."
The Great Henge 100%
$62.97#235
"This spell costs {X} less to cast, where X is the greatest power among creatures you control."
Ghalta, Primal Hunger 88%
$0.99#472
"This spell costs {X} less to cast, where X is the total power of creatures you control."
+1 more matching line
Volcanic Salvo 88%
$0.21#9274
"This spell costs {X} less to cast, where X is the total power of creatures you control."
Spectral Denial 86%
$0.34#8388
"This spell costs {1} less to cast for each creature you control with power 4 or greater."
The Pride of Hull Clade 83%
$1.44#5165
"This spell costs {X} less to cast, where X is the total toughness of creatures you control."
Temur Battlecrier 82%
$0.95#2388
"During your turn, spells you cast cost {1} less to cast for each creature you control with power 4 or greater."
Arwen's Gift 81%
$0.16#9722
"This spell costs {1} less to cast if you control two or more legendary creatures."