Jubilant Skybonder 
Creature — Human Wizard
$0.18 #6176 0.33 6.5 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 Elemental87%
$0.18#29307↓0.00↓7.3 years
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Sphinx of New Prahv87%
$0.18#24374↓0.337.7 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Callaphe, Beloved of the Sea86%
$0.22↑#7775↓0.13↓6.7 years
"Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost more to cast.""
more to cast.""
Kasmina, Enigmatic Mentor84%
$0.23↑#63510.50↑7.5 years
"Spells your opponents cast that target a creature or planeswalker you control cost more to cast."
more to cast."
Spire Mangler84%
$0.07↓#28852↓0.00↓7.7 years↑
"Flying"
Icefall Regent82%
$0.42↑#13327↓0.83↑11.6 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."+1 more matching line
Kopala, Warden of Waves80%
$0.35↑#4211↑0.419.1 years↑
"Spells your opponents cast that target a Merfolk you control cost more to cast."
more to cast."
Esior, Wardwing Familiar80%
$0.54↑#3438↑0.44↑5.9 years
"Spells your opponents cast that target one or more commanders you control cost 
more to cast."
more to cast."
Syr Elenora, the Discerning79%
$0.11↓#14382↓0.277.0 years
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Shadewing Laureate79%
$0.13↓#22385↓0.00↓5.5 years
"Flying"
Glorious Protector78%
$0.33↑#63870.425.7 years
"Flying"
Elderwood Scion78%
$0.27↑#23834↓0.00↓14.4 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Pride of the Clouds78%
$1.35↑#16142↓0.00↓20.5 years↑
"Flying"
Radiant, Serra Archangel77%
$0.27↑#20279↓0.07↓5.9 years
"Flying"
Charix, the Raging Isle76%
$0.38↑#3703↑0.18↓6.1 years
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Pursued Whale76%
$0.22↑#16753↓0.15↓6.3 years
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Monastery Siege76%
$0.68↑#60990.2511.7 years↑
"• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast."
more to cast."
Warden of Evos Isle74%
$0.18#3779↑0.04↓13.3 years↑
"Creature spells with flying you cast cost less to cast."
less to cast."
Watcher of the Spheres72%
$0.63↑#4274↑0.03↓6.3 years
"Creature spells with flying you cast cost less to cast."
less to cast."
Winged Words71%
$0.19↑#3598↑0.07↓7.3 years
"This spell costs less to cast if you control a creature with flying."
less to cast if you control a creature with flying."