Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• 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.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps all (or many) permanents, refreshing A-Bretagard Stronghold's tap activation.
• Wilderness Reclamation

  3G

  EnchantmentG

  Wilderness Reclamation untaps all (or many) permanents, refreshing A-Bretagard Stronghold's tap activation.
• Sword of Feast and Famine

  3

  Artifact — EquipmentC

  Sword of Feast and Famine untaps all (or many) permanents, refreshing A-Bretagard Stronghold's tap activation.
• Hope Tender

  1G

  Creature — Human 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.
• Beledros Witherbloom

  5BG

  Legendary Creature — Elder DragonBG

  Beledros Witherbloom untaps all (or many) permanents, refreshing A-Bretagard Stronghold's tap activation.
• Nature's Will

  2GG

  EnchantmentG

  Nature's Will untaps all (or many) permanents, refreshing A-Bretagard Stronghold's tap activation.
• Emrakul, the Exigent Doom

  10

  Legendary Creature — EldraziC

  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.
• Wakeroot Elemental

  4GG

  Creature — ElementalG

  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.
• Deserted Temple

  LandC

  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.
• Currency Converter

  1

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Wizard's Rockets

  1

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Nazar, the Velvet Fang

  3B

  Legendary Creature — Vampire WarlockB

  A-Bretagard Stronghold grants lifelink, converting Nazar, the Velvet Fang's damage into life-gain triggers.
• Reckless Lackey

  R

  Creature — Goblin PirateR

  Mana loop: net-positive mana cycle between the two cards.
• Professor Dellian Fel

  2BG

  Legendary Planeswalker — DellianBG

  A-Bretagard Stronghold grants lifelink, converting Professor Dellian Fel's damage into life-gain triggers.
• Amalia Benavides Aguirre

  WB

  Legendary Creature — Vampire ScoutBW

  A-Bretagard Stronghold grants lifelink, converting Amalia Benavides Aguirre's damage into life-gain triggers.
• Comforting Counsel

  1G

  EnchantmentG

  A-Bretagard Stronghold grants lifelink, converting Comforting Counsel's damage into life-gain triggers.
• Starscape Cleric

  1B

  Creature — Bat ClericB

  A-Bretagard Stronghold grants lifelink, converting Starscape Cleric's damage into life-gain triggers.
• Nykthos, Shrine to Nyx

  Legendary LandC

  Mana loop: net-positive mana cycle between the two cards.
• Lyra, Archangel of Dawn

  2W

  Legendary Creature — Angel KnightW

  A-Bretagard Stronghold grants lifelink, converting Lyra, Archangel of Dawn's damage into life-gain triggers.
• Stark Industries Executive

  R

  Creature — Human AdvisorR

  Mana loop: net-positive mana cycle between the two cards.
• Forsworn Paladin

  B

  Creature — Human KnightB

  Mana loop: net-positive mana cycle between the two cards.
• Heliod, Sun-Crowned

  2W

  Legendary Enchantment Creature — GodW

  A-Bretagard Stronghold grants lifelink, converting Heliod, Sun-Crowned's damage into life-gain triggers.
• Bloombrute

  2GW

  Creature — Plant ElementalGW

  A-Bretagard Stronghold grants lifelink, converting Bloombrute's damage into life-gain triggers.