Confidence:StrongSolidPlausibleTentativeSpeculative

• Zimone, Paradox Sculptor

  2GU

  Legendary Creature — Human WizardGU

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Innkeeper's Talent

  1G

  Enchantment — ClassG

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• The First Tyrannic War

  2GUR

  Enchantment — SagaGRU

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Myojin of Towering Might

  5GGG

  Legendary Creature — SpiritG

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Arcade Cabinet

  3

  ArtifactC

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Fain, the Broker

  2B

  Legendary Creature — Human WarlockB

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Arwen, Mortal Queen

  1GW

  Legendary Creature — Elf NobleGW

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Life Matrix

  4

  ArtifactC

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Reanimate

  B

  SorceryB

  Reanimate puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Mikey & Leo, Chaos & Order

  G/WG/W

  Legendary Creature — Mutant Ninja TurtleGW

  Both cards trigger when a counter is placed — they fire together.
• Brimaz, Blight of Oreskos

  2WB

  Legendary Creature — Phyrexian CatBW

  Brimaz, Blight of Oreskos proliferates, growing the counters Aragorn, Company Leader relies on.
• Tidus, Yuna's Guardian

  GWU

  Legendary Creature — Human WarriorGUW

  Tidus, Yuna's Guardian proliferates, growing the counters Aragorn, Company Leader relies on.
• Cacophony Scamp

  R

  Creature — Phyrexian Goblin WarriorR

  Cacophony Scamp proliferates, growing the counters Aragorn, Company Leader relies on.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Hapatra, Vizier of Poisons

  BG

  Legendary Creature — Human ClericBG

  Both cards trigger when a counter is placed — they fire together.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Metastatic Evangel

  1W

  Creature — Phyrexian Human ClericW

  Metastatic Evangel proliferates, growing the counters Aragorn, Company Leader relies on.
• Reject Imperfection

  1UU

  InstantU

  Reject Imperfection proliferates, growing the counters Aragorn, Company Leader relies on.
• Atraxa, Praetors' Voice

  GWUB

  Legendary Creature — Phyrexian Angel HorrorBGUW

  Atraxa, Praetors' Voice proliferates, growing the counters Aragorn, Company Leader relies on.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Aragorn, Company Leader onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Hollowmurk Siege

  BG

  EnchantmentBG

  Both cards trigger when a counter is placed — they fire together.
• Atomize

  2BG

  InstantBG

  Atomize proliferates, growing the counters Aragorn, Company Leader relies on.