Stonybrook Banneret 
Creature — Merfolk Wizard
$0.66 #3099 0.16 18.7 years
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost less to cast.
less to cast.Click a line or tag to filter
Cards similar to Stonybrook Banneret 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.
Sygg, River Guide80%
$1.77↑#18061↓0.47↑19.0 years
"Islandwalk"
+1 more matching line
The Destined Warrior73%
$2.10↑#12961↓0.180.9 years↓
"Cleric, Rogue, Warrior, and Wizard spells you cast cost less to cast."
less to cast."
Brighthearth Banneret72%
$2.41↑#6308↓0.00↓18.7 years
"Elemental spells and Warrior spells you cast cost less to cast."
less to cast."
Frogtosser Banneret72%
$0.33↓#6984↓0.00↓18.7 years
"Goblin spells and Rogue spells you cast cost less to cast."
less to cast."+1 more matching line
Wanderwine Hub72%
$0.82↑#13839↓0.0819.0 years
"As this land enters, you may reveal a Merfolk card from your hand. If you don't, this land enters tapped."
Arcane Epiphany71%
$0.20↓#11151↓0.06↓1.9 years↓
"This spell costs less to cast if you control a Wizard."
less to cast if you control a Wizard."
Kopala, Warden of Waves70%
$0.35↓#4211↓0.41↑9.1 years↓
"Abilities your opponents activate that target a Merfolk you control cost 
more to activate."
more to activate."
Bosk Banneret70%
$0.37↓#9927↓0.2418.7 years
"Treefolk spells and Shaman spells you cast cost less to cast."
less to cast."
Wizard's Retort70%
$0.31↓#4631↓0.188.5 years↓
"This spell costs less to cast if you control a Wizard."
less to cast if you control a Wizard."
Silvergill Mentor70%
$0.21↓#16174↓0.120.7 years↓
"As an additional cost to cast this spell, behold a Merfolk or pay ."
."
Silvergill Adept70%
$0.29↓#12893↓0.1219.0 years
"As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay 
."
."
Jade Bearer70%
$0.08↓#22827↓0.258.8 years↓
"When this creature enters, put a +1/+1 counter on another target Merfolk you control."