Confidence:StrongSolidPlausibleTentativeSpeculative

• Invasion of New Phyrexia // Teferi Akosa of Zhalfir

  XWU

  Battle — Siege // Legendary Planeswalker — TeferiUW

  Both cards produce the same kind of effect (shared token subtype).
• Aryel, Knight of Windgrace

  2WB

  Legendary Creature — Human KnightBW

  Both cards produce the same kind of effect (shared token subtype).
• Dion, Bahamut's Dominant // Bahamut, Warden of Light

  3W

  Legendary Creature — Human Noble Knight // Legendary Enchantment Creature — Saga DragonW

  Both cards produce the same kind of effect (shared token subtype).
• Waylay

  2W

  InstantW

  Both cards produce the same kind of effect (shared token subtype).
• Court of Embereth

  2RR

  EnchantmentR

  Both cards produce the same kind of effect (shared token subtype).
• The Circle of Loyalty

  4WW

  Legendary ArtifactW

  Both cards produce the same kind of effect (shared token subtype).
• Summon: Knights of Round

  6WW

  Enchantment Creature — Saga KnightW

  Both cards produce the same kind of effect (shared token subtype).
• Bladewing, Deathless Tyrant

  5BR

  Legendary Creature — Dragon SkeletonBR

  Both cards produce the same kind of effect (shared token subtype).
• Forth Eorlingas!

  XRW

  SorceryRW

  Both cards produce the same kind of effect (shared token subtype).
• Gideon's Phalanx

  5WW

  InstantW

  Both cards produce the same kind of effect (shared token subtype).
• Virtue of Loyalty // Ardenvale Fealty

  3WW1W

  Enchantment // Instant — AdventureW

  Both cards produce the same kind of effect (shared token subtype).
• Phelia, Exuberant Shepherd

  1W

  Legendary Creature — DogW

  Phelia, Exuberant Shepherd blinks (exiles and returns) a permanent, re-firing Knightly Valor's enter-the-battlefield effect.
• Oath of Eorl

  3RW

  Enchantment — SagaRW

  Both cards produce the same kind of effect (shared token subtype).
• Gideon, Ally of Zendikar

  2WW

  Legendary Planeswalker — GideonW

  Both cards produce the same kind of effect (shared token subtype).
• Yuna, Hope of Spira

  3GW

  Legendary Creature — Human ClericGW

  Yuna, Hope of Spira returns creatures from the graveyard to the battlefield, re-firing Knightly Valor's enter-the-battlefield effect.
• Aerial Extortionist

  3WW

  Creature — Bird SoldierW

  Aerial Extortionist exiles a permanent and lets its owner cast it again — the recast fires Knightly Valor's cast trigger or its enter-the-battlefield effect.
• Éowyn, Shieldmaiden

  2URW

  Legendary Creature — Human KnightRUW

  Both cards produce the same kind of effect (shared token subtype).
• Sorin, Grim Nemesis

  4WB

  Legendary Planeswalker — SorinBW

  Both cards produce the same kind of effect (shared token subtype).
• Doom Foretold

  2WB

  EnchantmentBW

  Both cards produce the same kind of effect (shared token subtype).
• Riftmarked Knight

  1WW

  Creature — Human Rebel KnightW

  Both cards produce the same kind of effect (shared token subtype).
• What Must Be Done

  3WW

  SorceryW

  What Must Be Done returns creatures from the graveyard to the battlefield, re-firing Knightly Valor's enter-the-battlefield effect.
• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  The Mind Stone blinks (exiles and returns) a permanent, re-firing Knightly Valor's enter-the-battlefield effect.
• Battle Angels of Tyr

  2WW

  Creature — Angel KnightW

  Both cards produce the same kind of effect (shared token subtype).
• Conclave Cavalier

  GGWW

  Creature — Centaur KnightGW

  Both cards produce the same kind of effect (shared token subtype).
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Elrond, Moon-Reader blinks (exiles and returns) a permanent, re-firing Knightly Valor's enter-the-battlefield effect.