Confidence:StrongSolidPlausibleTentativeSpeculative

• Raggadragga, Goreguts Boss

  2RG

  Legendary Creature — Human BoarGR

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

  2U

  EnchantmentU

  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.
• Mechanized Production

  2UU

  Enchantment — AuraU

  Alternate win condition: put the wincon on ONE of the tokens the other card produces (tokens of a batch share a name — Servos, Thopters, Treasures), and every further copy counts toward the same-name total.
• Sky Hussar

  3WU

  Creature — Human KnightUW

  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.
• Aura of Dominion

  UU

  Enchantment — AuraU

  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.
• Paradox Engine

  5

  Legendary 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.
• Clock of Omens

  4

  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.
• Hematite Talisman

  2

  ArtifactC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Lapis Lazuli Talisman

  2

  ArtifactC

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

  2

  ArtifactC

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

  2

  ArtifactC

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

  2

  ArtifactC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Pia Nalaar, Consul of Revival

  RW

  Legendary Creature — Human ArtificerRW

  Both cards produce the same kind of effect (shared token subtype).
• Lita, Mechanical Engineer

  2W

  Legendary Artifact Creature — ArtificerW

  Lita, Mechanical Engineer untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Copperhorn Scout

  G

  Creature — Elf ScoutG

  Copperhorn Scout untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• White Plume Adventurer

  2W

  Creature — Orc ClericW

  White Plume Adventurer untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Jace, Ingenious Mind-Mage

  4UU

  Legendary Planeswalker — JaceU

  Jace, Ingenious Mind-Mage untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Aggravated Assault

  2R

  EnchantmentR

  Aggravated Assault untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• The Thirteenth Doctor

  1GU

  Legendary Creature — Time Lord DoctorGU

  The Thirteenth Doctor untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Veteran Beastrider

  1GW

  Creature — Human KnightGW

  Veteran Beastrider untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Mirrorhall Mimic // Ghastly Mimicry

  3U

  Creature — Spirit // Enchantment — AuraU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• Drumbellower

  2W

  Creature — SpiritW

  Drumbellower untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Gideon, Martial Paragon

  4W

  Legendary Planeswalker — GideonW

  Gideon, Martial Paragon untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.
• Retrofitter Foundry

  1

  ArtifactC

  Both cards produce the same kind of effect (shared token subtype).
• Dazzling Theater // Prop Room

  3W2W

  Enchantment — Room // Enchantment — RoomW

  Dazzling Theater untaps all (or many) permanents, refreshing Breya's Apprentice's tap activation.

• WithNacre Talisman2C

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Storm-Kiln Artist3RMalcolm, the EyesURForensic Gadgeteer2UElmar, Ulvenwald Informant1RGNuka-Cola Vending Machine3Kingpin, Wilson Fisk3B
  Show cards
• WithLapis Lazuli Talisman2C

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Storm-Kiln Artist3RMalcolm, the EyesURForensic Gadgeteer2UElmar, Ulvenwald Informant1RGNuka-Cola Vending Machine3Kingpin, Wilson Fisk3B
  Show cards
• WithMalachite Talisman2C

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Storm-Kiln Artist3RMalcolm, the EyesURForensic Gadgeteer2UElmar, Ulvenwald Informant1RGNuka-Cola Vending Machine3Kingpin, Wilson Fisk3B
  Show cards
• WithHematite Talisman2C

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Storm-Kiln Artist3RMalcolm, the EyesURForensic Gadgeteer2UElmar, Ulvenwald Informant1RGNuka-Cola Vending Machine3Kingpin, Wilson Fisk3B
  Show cards