Confidence:StrongSolidPlausibleTentativeSpeculative

• Ral Zarek

  2UR

  Legendary Planeswalker — RalRU

  Both cards produce extra combat steps — their effects stack.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  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.
• Nephalia Smuggler

  U

  Creature — Human RogueU

  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.
• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  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.
• Dino DNA

  1

  ArtifactC

  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.
• Baboon Spirit

  2U

  Creature — Monkey SpiritU

  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.
• Tawnos, Solemn Survivor

  1U

  Legendary Creature — Human ArtificerBUW

  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.
• Distinguished Conjurer

  1W

  Creature — Human WizardW

  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.
• Mistmeadow Witch

  1W/U

  Creature — Kithkin WizardUW

  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.
• Raphael, Tag Team Tough

  4RR

  Legendary Creature — Mutant Ninja TurtleR

  Damage pair: both cards convert effects into damage. They stack in a damage-heavy deck; on their own they're a value engine, not a closed loop.
• The Fire Crystal

  2RR

  Legendary ArtifactR

  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.
• Port Razer

  3RR

  Creature — Orc PirateR

  Damage pair: both cards convert effects into damage. They stack in a damage-heavy deck; on their own they're a value engine, not a closed loop.
• Bloodthirster

  5R

  Creature — DemonR

  Damage pair: both cards convert effects into damage. They stack in a damage-heavy deck; on their own they're a value engine, not a closed loop.
• Flickerform

  1W

  Enchantment — AuraW

  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.
• Orthion, Hero of Lavabrink

  3R

  Legendary Creature — Human SoldierR

  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.
• Breath of Fury

  2RR

  Enchantment — AuraR

  Damage pair: both cards convert effects into damage. They stack in a damage-heavy deck; on their own they're a value engine, not a closed loop.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  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.
• Hazel of the Rootbloom

  2BG

  Legendary Creature — Squirrel DruidBG

  Bumi, Unleashed untaps all (or many) permanents, refreshing Hazel of the Rootbloom's tap activation.
• Chandra, Flameshaper

  5RR

  Legendary Planeswalker — ChandraR

  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.
• Wrenn and Realmbreaker

  1GG

  Legendary Planeswalker — WrennG

  Bumi, Unleashed untaps all (or many) permanents, refreshing Wrenn and Realmbreaker's tap activation.
• 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.
• Lithoform Blight

  1B

  Enchantment — AuraB

  Bumi, Unleashed untaps all (or many) permanents, refreshing Lithoform Blight's tap activation.
• The Soul Stone

  1B

  Legendary Artifact — Infinity StoneB

  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.
• Alpine Moon

  R

  EnchantmentR

  Bumi, Unleashed untaps all (or many) permanents, refreshing Alpine Moon's tap activation.