Fealty to the Realm {4}{U}
Enchantment — Aura
Enchant creature
When this Aura enters, you become the monarch.
The monarch controls enchanted creature.
Enchanted creature attacks each combat if able and can't attack you.
click a line to search just that ability, click more to combine them
Cards that do something similar 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.
Vow of Lightning 83%
$0.34#7635
"Enchanted creature gets +2/+2, has first strike, and can't attack you or planeswalkers you control."
Vow of Wildness 82%
$0.17#10143
"Enchanted creature gets +3/+3, has trample, and can't attack you or planeswalkers you control."
+1 more matching line
Xantcha, Sleeper Agent 82%
$1.41#3008
"this card attacks each combat if able and can't attack its owner or planeswalkers its owner controls."
Shauku, Endbringer 82%
$2.34#20586
"this card can't attack if there's another creature on the battlefield."
Vow of Flight 82%
$0.17#11484
"Enchanted creature gets +2/+2, has flying, and can't attack you or planeswalkers you control."
Pillar of War 81%
$0.07#30018
"As long as this creature is enchanted, it can attack as though it didn't have defender."
Alexios, Deimos of Kosmos 81%
$0.54#1245
"this card attacks each combat if able, can't be sacrificed, and can't attack its owner."
Overencumbered 81%
$0.34#10579
"At the beginning of combat on enchanted opponent's turn, that player may pay {1} for each artifact they control. If they don't, creatures can't attack this combat."