Confidence:StrongSolidPlausibleTentativeSpeculative

• Copperhorn Scout

  G

  Creature — Elf ScoutG

  Copperhorn Scout untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Veyran, Voice of Duality

  1UR

  Legendary Creature — Efreet WizardRU

  Veyran, Voice of Duality makes Vazi, Keen Negotiator's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• White Plume Adventurer

  2W

  Creature — Orc ClericW

  White Plume Adventurer untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Kambal, Consul of Allocation

  1WB

  Legendary Creature — Human AdvisorBW

  Both cards trigger when a spell is cast — they fire together.
• Ruric Thar, the Unbowed

  4RG

  Legendary Creature — Ogre WarriorGR

  Both cards trigger when a spell is cast — they fire together.
• Shadow in the Warp

  1RG

  EnchantmentGR

  Both cards trigger when a spell is cast — they fire together.
• Veteran Beastrider

  1GW

  Creature — Human KnightGW

  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.
• Gollum, Riddle Master

  1B

  Legendary Creature — Halfling HorrorB

  Both cards trigger when a spell is cast — they fire together.
• The Thirteenth Doctor

  1GU

  Legendary Creature — Time Lord DoctorGU

  The Thirteenth Doctor untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Drumbellower

  2W

  Creature — SpiritW

  Drumbellower untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Plargg, Dean of Chaos // Augusta, Dean of Order

  1R2W

  Legendary Creature — Orc Shaman // Legendary Creature — Human ClericRW

  Plargg, Dean of Chaos untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Scytheclaw Raptor

  2R

  Creature — DinosaurR

  Both cards trigger when a spell is cast — they fire together.
• Samut, Voice of Dissent

  3RG

  Legendary Creature — Human WarriorGRW

  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.
• Cemetery Gatekeeper

  1R

  Creature — VampireR

  Both cards trigger when a spell is cast — they fire together.
• Tokka & Rahzar, Terrible Twos

  B/RB/R

  Legendary Creature — Turtle Wolf MutantBR

  Both cards trigger when a spell is cast — they fire together.
• Intruder Alarm

  2U

  EnchantmentU

  Intruder Alarm untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Roiling Vortex

  1R

  EnchantmentR

  Both cards trigger when a spell is cast — they fire together.
• Dazzling Theater // Prop Room

  3W2W

  Enchantment — Room // Enchantment — RoomW

  Dazzling Theater untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Kaervek the Merciless

  5BR

  Legendary Creature — Human ShamanBR

  Both cards trigger when a spell is cast — they fire together.
• Formidable Speaker

  2G

  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.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan untaps all (or many) permanents, refreshing Vazi, Keen Negotiator's tap activation.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Vazi, Keen Negotiator's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Eidolon of the Great Revel

  RR

  Enchantment Creature — SpiritR

  Both cards trigger when a spell is cast — they fire together.
• Saryth, the Viper's Fang

  2GG

  Legendary Creature — Human WarlockG

  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.