Confidence:StrongSolidPlausibleTentativeSpeculative

• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  Blink pair: one card can blink creatures repeatedly, and the other's ETB rewards every re-entry. Free-running only when the blink is free or refunded (Deadeye + Drake class); otherwise a repeatable value engine.
• Displacer Kitten

  3U

  Creature — Cat BeastU

  Blink pair: one card can blink creatures repeatedly, and the other's ETB rewards every re-entry. Free-running only when the blink is free or refunded (Deadeye + Drake class); otherwise a repeatable value engine.
• Brago, King Eternal

  2WU

  Legendary Creature — Spirit NobleUW

  Blink pair: one card can blink creatures repeatedly, and the other's ETB rewards every re-entry. Free-running only when the blink is free or refunded (Deadeye + Drake class); otherwise a repeatable value engine.
• Brought Back

  WW

  InstantW

  Brought Back returns creatures from the graveyard to the battlefield, re-firing Marchesa's Decree's enter-the-battlefield effect.
• Garruk, Apex Predator

  5BG

  Legendary Planeswalker — GarrukBG

  Both cards trigger when a permanent attacks — they fire together.
• Avatar Roku, Firebender

  3RRR

  Legendary Creature — Human AvatarR

  Both cards trigger when a permanent attacks — they fire together.
• Invasion of New Capenna // Holy Frazzle-Cannon

  WB

  Battle — Siege // Artifact — EquipmentBW

  Both cards trigger when a permanent attacks — they fire together.
• Combat Calligrapher

  3W

  Creature — Bird ClericW

  Both cards trigger when a permanent attacks — they fire together.
• Jon Irenicus, Shattered One

  2UB

  Legendary Creature — Elf WizardBU

  Both cards trigger when a permanent attacks — they fire together.
• Yuna, Hope of Spira

  3GW

  Legendary Creature — Human ClericGW

  Yuna, Hope of Spira returns creatures from the graveyard to the battlefield, re-firing Marchesa's Decree's enter-the-battlefield effect.
• Coveted Jewel

  6

  ArtifactC

  Both cards trigger when a permanent attacks — they fire together.
• Slumbering Dragon

  R

  Creature — DragonR

  Both cards trigger when a permanent attacks — they fire together.
• Aqueous Form

  U

  Enchantment — AuraU

  Both cards trigger when a permanent attacks — they fire together.
• Tameshi, Reality Architect

  2U

  Legendary Creature — Moonfolk WizardUW

  Tameshi, Reality Architect returns creatures from the graveyard to the battlefield, re-firing Marchesa's Decree's enter-the-battlefield effect.
• Phelia, Exuberant Shepherd

  1W

  Legendary Creature — DogW

  Phelia, Exuberant Shepherd blinks (exiles and returns) a permanent, re-firing Marchesa's Decree's enter-the-battlefield effect.
• Basri Ket

  1WW

  Legendary Planeswalker — BasriW

  Both cards trigger when a permanent attacks — they fire together.
• M'Baku, Jabari Chieftain

  1GG

  Legendary Creature — Human Noble WarriorG

  Both cards trigger when a permanent attacks — they fire together.
• Norin the Wary

  R

  Legendary Creature — Human WarriorR

  Both cards trigger when a permanent attacks — they fire together.
• Killian, Decisive Mentor

  1WB

  Legendary Creature — Human WarlockBW

  Both cards trigger when a permanent attacks — they fire together.
• Mila, Crafty Companion // Lukka, Wayward Bonder

  1WW4RR

  Legendary Creature — Fox // Legendary Planeswalker — LukkaRW

  Both cards trigger when a permanent attacks — they fire together.
• Sinister Possession

  B

  Enchantment — AuraB

  Both cards trigger when a permanent attacks — they fire together.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Elrond, Moon-Reader blinks (exiles and returns) a permanent, re-firing Marchesa's Decree's enter-the-battlefield effect.
• Sarkhan the Masterless

  3RR

  Legendary Planeswalker — SarkhanR

  Both cards trigger when a permanent attacks — they fire together.
• MacCready, Lamplight Mayor

  WB

  Legendary Creature — Human AdvisorBW

  Both cards trigger when a permanent attacks — they fire together.
• Tomik, Wielder of Law

  1WB

  Legendary Creature — Human AdvisorBW

  Both cards trigger when a permanent attacks — they fire together.