Confidence:StrongSolidPlausibleTentativeSpeculative

• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Beledros Witherbloom

  5BG

  Legendary Creature — Elder DragonBG

  Beledros Witherbloom untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Jorn, God of Winter // Kaldring, the Rimestaff

  2G1UB

  Legendary Snow Creature — God // Legendary Snow ArtifactBGU

  Jorn, God of Winter untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Wilderness Reclamation

  3G

  EnchantmentG

  Wilderness Reclamation untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Sword of Feast and Famine

  3

  Artifact — EquipmentC

  Sword of Feast and Famine untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Zacama, Primal Calamity

  6RGW

  Legendary Creature — Elder DinosaurGRW

  Zacama, Primal Calamity untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Llanowar Druid

  1G

  Creature — Elf DruidG

  Llanowar Druid untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Nature's Will

  2GG

  EnchantmentG

  Nature's Will untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Emrakul, the Exigent Doom

  10

  Legendary Creature — EldraziC

  Emrakul, the Exigent Doom untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Awakening

  2GG

  EnchantmentG

  Awakening untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Patron of the Orochi

  6GG

  Legendary Creature — SpiritG

  Patron of the Orochi untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Woodland Guidance

  3G

  SorceryG

  Woodland Guidance untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Bear Umbra

  2GG

  Enchantment — AuraG

  Bear Umbra untaps all (or many) permanents, refreshing Harold and Bob, First Numens's tap activation.
• Reanimate

  B

  SorceryB

  Reanimate puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Harold and Bob, First Numens 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 Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Harold and Bob, First Numens onto the battlefield from a graveyard without casting it, so its mana cost is never paid.