Watcher of the Spheres 
Creature — Bird Wizard
$0.50 #4402 0.03 6.2 years
Flying
Creature spells with flying you cast cost 
less to cast.
less to cast.Whenever another creature you control with flying enters, this creature gets +1/+1 until end of turn.
Click a line or tag to filter
Cards similar to Watcher of the Spheres 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.
Warden of Evos Isle98%
$0.18↓#38510.13↑13.1 years↑
"Creature spells with flying you cast cost less to cast."
less to cast."
Waterkin Shaman96%
$0.10↓#30696↓0.53↑7.2 years
"Whenever a creature you control with flying enters, this creature gets +1/+1 until end of turn."
Momo, Friendly Flier90%
$0.42↓#7454↓0.000.8 years↓
"Whenever another creature you control with flying enters, this card gets +1/+1 until end of turn."
+1 more matching line
Planar Gate88%
$77.60↑#21320↓0.68↑32.3 years↑
"Creature spells you cast cost 
less to cast."
less to cast."
Marauding Raptor86%
$0.91↑#3000↑0.18↑7.2 years
"Creature spells you cast cost less to cast."
less to cast."
The Sibsig Ceremony84%
$0.31↓#9773↓0.31↑1.4 years↓
"Creature spells you cast cost less to cast."
less to cast."
Tide Skimmer84%
$0.10↓#11649↓0.116.2 years
"Flying"
Winged Words82%
$0.21↓#35600.19↑7.2 years
"This spell costs less to cast if you control a creature with flying."
less to cast if you control a creature with flying."
Honest Rutstein82%
$0.39↓#1787↑0.19↑2.4 years↓
"Creature spells you cast cost less to cast."
less to cast."
Griffin Protector82%
$0.08↓#21281↓0.25↑14.1 years↑
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
East Wind Avatar82%
$0.10↓#24888↓0.000.5 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Herd Gnarr80%
$0.08↓#31157↓0.50↑21.0 years↑
"Whenever another creature you control enters, this creature gets +2/+2 until end of turn."
Attended Socialite80%
$0.07↓#23744↓0.054.4 years↓
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
Loporrit Scout80%
$0.14↓#19003↓0.31↑1.2 years↓
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
Bronzebeak Moa80%
$0.05↓#24788↓0.43↑13.3 years↑
"Whenever another creature you control enters, this creature gets +3/+3 until end of turn."
Beast-Kin Ranger80%
$0.09↓#15253↓0.15↑1.8 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Crossroads Watcher80%
$0.11↓#19495↓0.000.6 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Mutant Town Musicians80%
$0.08↓#25590↓0.000.5 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Llanowar Stalker80%
$0.16↓#22410↓0.004.0 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Plumecreed Mentor80%
$0.27↓#14155↓0.052.1 years↓
"Whenever this creature or another creature you control with flying enters, put a +1/+1 counter on target creature you control without flying."