Harmonized Crescendo 
Instant
$0.53 #2552 0.24 0.7 years
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 
or one mana of that creature's color.)
or one mana of that creature's color.)Choose a creature type. Draw a card for each permanent you control of that type.
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Cards similar to Harmonized Crescendo 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.
Meeting of Minds96%
$0.17↓#5825↓0.05↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Thunderhead Squadron96%
$0.08↓#27402↓0.00↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Lofty Dreams93%
$0.15↓#19509↓0.07↓0.7 years
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Astral Wingspan93%
$0.25↓#15531↓0.00↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Distant Melody91%
$0.35↓#654↑0.2418.7 years↑
"Choose a creature type. Draw a card for each permanent you control of that type."
Unexpected Assistance91%
$0.25↓#10760↓0.12↓0.7 years
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Halo Hopper91%
$0.23↓#18087↓0.00↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Will-Forged Golem91%
$0.05↓#26313↓0.00↓12.3 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Merrow Skyswimmer90%
$0.13↓#20947↓0.04↓0.7 years
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Referee Squad90%
$0.11↓#19311↓0.12↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Wicked Slumber89%
$0.12↓#15500↓0.273.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Interdisciplinary Mascot88%
$0.27↓#15191↓0.00↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Artistic Refusal88%
$0.15↓#7420↓0.37↑3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Temporal Cleansing87%
$0.16↓#12784↓0.11↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Disruptor of Currents87%
$0.28↓#13323↓0.07↓0.7 years
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Ledev Guardian86%
$0.08↓#29129↓0.00↓8.0 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Siege Wurm86%
$0.05↓#19611↓0.00↓21.0 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Zephyr Singer86%
$0.19↓#10509↓0.10↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Sun-Dappled Celebrant86%
$0.09↓#21546↓0.07↓0.7 years
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."
Flockchaser Phantom86%
$0.29↓#14016↓0.06↓3.5 years↑
"Convoke Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color."
or one mana of that creature's color."