Confidence:StrongSolidPlausibleTentativeSpeculative

• Ral Zarek

  2UR

  Legendary Planeswalker — RalRU

  Both cards produce extra combat steps — their effects stack.
• Balduvian Conjurer

  1U

  Creature — Human WizardU

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Elvish Branchbender

  2G

  Creature — Elf DruidG

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Fendeep Summoner

  4B

  Creature — Treefolk ShamanB

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Vastwood Animist

  2G

  Creature — Elf Shaman AllyG

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Bruce Banner // The Incredible Hulk

  U2RRGG

  Legendary Creature — Human Scientist Hero // Legendary Creature — Gamma Berserker HeroGRU

  Both cards produce extra combat steps — their effects stack.
• Sage of the Maze

  2G

  Creature — Elf WizardG

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Llanowar Loamspeaker

  1G

  Creature — Elf DruidG

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• All-Out Assault

  2RWB

  EnchantmentBRW

  Both cards produce extra combat steps — their effects stack.
• Arna Kennerüd, Skycaptain

  2WUB

  Legendary Creature — Human KnightBUW

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

  2R

  EnchantmentR

  Both cards produce extra combat steps — their effects stack.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

  Both cards produce extra combat steps — their effects stack.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Both cards produce extra combat steps — their effects stack.
• Zariel, Archduke of Avernus

  2RR

  Legendary Planeswalker — ZarielR

  Both cards produce extra combat steps — their effects stack.
• Fury of the Horde

  5RR

  SorceryR

  Both cards produce extra combat steps — their effects stack.
• Fear of Missing Out

  1R

  Enchantment Creature — NightmareR

  Both cards produce extra combat steps — their effects stack.
• Waves of Aggression

  3R/WR/W

  SorceryRW

  Both cards produce extra combat steps — their effects stack.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Both cards produce extra combat steps — their effects stack.
• Relentless Assault

  2RR

  SorceryR

  Both cards produce extra combat steps — their effects stack.
• Najeela, the Blade-Blossom

  2R

  Legendary Creature — Human WarriorBGRUW

  Both cards produce extra combat steps — their effects stack.
• Combat Celebrant

  2R

  Creature — Human WarriorR

  Both cards produce extra combat steps — their effects stack.
• Aurelia, the Warleader

  2RRWW

  Legendary Creature — AngelRW

  Both cards produce extra combat steps — their effects stack.
• Arboreal Alliance

  XGG

  EnchantmentG

  Both cards trigger when a permanent attacks — they fire together.
• World at War

  3RR

  SorceryR

  Both cards produce extra combat steps — their effects stack.
• Response // Resurgence

  R/WR/W3RW

  Instant // SorceryRW

  Both cards produce extra combat steps — their effects stack.