Confidence:StrongSolidPlausibleTentativeSpeculative

• Court of Vantress

  2UU

  EnchantmentU

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Waylay

  2W

  InstantW

  Both cards produce the same kind of effect (shared token subtype).
• Terra, Magical Adept // Esper Terra

  1RG

  Legendary Creature — Human Wizard Warrior // Legendary Enchantment Creature — Saga WizardBGRUW

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• 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).
• Aryel, Knight of Windgrace

  2WB

  Legendary Creature — Human KnightBW

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

  2U

  EnchantmentU

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Yenna, Redtooth Regent

  2GW

  Legendary Creature — Elf NobleGW

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Calix, Guided by Fate

  1GW

  Legendary Enchantment Creature — Human DruidGW

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Ondu Spiritdancer

  4W

  Creature — Kor ClericW

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Copy Enchantment

  2U

  EnchantmentU

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Chandra, Flameshaper

  5RR

  Legendary Planeswalker — ChandraR

  Chandra, Flameshaper creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Court of Embereth

  2RR

  EnchantmentR

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

  2U

  Enchantment — AuraU

  Endless Evil creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Gideon's Phalanx

  5WW

  InstantW

  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).
• Anikthea, Hand of Erebos

  2WBG

  Legendary Enchantment Creature — DemigodBGW

  Anikthea, Hand of Erebos creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Wayfaring Temple

  1GW

  Creature — ElementalGW

  Wayfaring Temple creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Brenard, Ginger Sculptor

  1GWU

  Legendary Creature — Human ArtificerGUW

  Brenard, Ginger Sculptor creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Runo Stromkirk // Krothuss, Lord of the Deep

  1UB

  Legendary Creature — Vampire Cleric // Legendary Creature — Kraken HorrorBU

  Runo Stromkirk creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• The Circle of Loyalty

  4WW

  Legendary ArtifactW

  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).
• Ratadrabik of Urborg

  2WB

  Legendary Creature — Zombie WizardBW

  Ratadrabik of Urborg creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Oath of Eorl

  3RW

  Enchantment — SagaRW

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

  3U

  Creature — Faerie ArtificerU

  Faerie Artisans creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.
• Inspired Skypainter // Maestro's Gift

  UR3UR

  Creature — Lizard Wizard // SorceryRU

  Inspired Skypainter creates token copies, feeding Summon: Knights of Round's ETB or copy payoff.