Jubilant Skybonder 
Creature — Human Wizard
$0.16 #6099 0.13 6.4 years
Flying
Creatures you control with flying have "Spells your opponents cast that target this creature cost 
more to cast."
more to cast."Click a line or tag to filter
Cards similar to Jubilant Skybonder 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.
Boreal Elemental88%
$0.18↑#28962↓0.27↑7.2 years
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Sphinx of New Prahv88%
$0.09↓#25291↓0.107.6 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Spire Mangler86%
$0.11↓#28545↓0.00↓7.6 years↑
"Flying"
Esior, Wardwing Familiar84%
$0.64↑#3368↑0.35↑5.8 years
"Spells your opponents cast that target one or more commanders you control cost 
more to cast."
more to cast."
Callaphe, Beloved of the Sea84%
$0.20↑#7502↓0.226.6 years
"Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost more to cast.""
more to cast.""
Icefall Regent84%
$0.47↑#12998↓0.65↑11.4 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Tide Skimmer82%
$0.10↓#11649↓0.116.2 years
"Flying"
Shadewing Laureate82%
$0.11↓#21999↓0.29↑5.4 years
"Flying"
Syr Elenora, the Discerning80%
$0.11↓#14125↓0.00↓6.9 years
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Elderwood Scion79%
$0.24↑#23415↓0.42↑14.3 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Charix, the Raging Isle78%
$0.44↑#3656↑0.24↑5.9 years
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Pursued Whale78%
$0.22↑#16408↓0.38↑6.2 years
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Kopala, Warden of Waves78%
$0.28↑#4150↑0.31↑8.9 years↑
"Spells your opponents cast that target a Merfolk you control cost more to cast."
more to cast."
Kasmina, Enigmatic Mentor78%
$0.23↑#66680.48↑7.3 years
"Spells your opponents cast that target a creature or planeswalker you control cost more to cast."
more to cast."
Warden of Evos Isle76%
$0.18↑#3851↑0.1313.1 years↑
"Creature spells with flying you cast cost less to cast."
less to cast."
Monastery Siege76%
$0.68↑#59430.46↑11.6 years↑
"• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast."
more to cast."
Kaervek's Torch76%
$0.27↑#21040↓0.38↑29.9 years↑
"As long as this card is on the stack, spells that target it cost more to cast."
more to cast."
Watcher of the Spheres74%
$0.50↑#4402↑0.03↓6.2 years
"Creature spells with flying you cast cost less to cast."
less to cast."
Winged Words74%
$0.21↑#3560↑0.197.2 years
"This spell costs less to cast if you control a creature with flying."
less to cast if you control a creature with flying."
Henrika Domnathi // Henrika, Infernal Seer72%
$1.28↑#7604↓0.184.8 years↓
"Flying"