Confidence:StrongSolidPlausibleTentativeSpeculative

• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Paradox Engine

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Blinkmoth Infusion

  12UU

  InstantU

  Blinkmoth Infusion untaps all (or many) permanents, refreshing Realmbreaker, the Invasion Tree's tap activation.
• Isu the Abominable

  3UU

  Legendary Snow Creature — YetiGUW

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Isu the Abominable's enter-the-battlefield effect.
• Vesuva

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Vesuva's enter-the-battlefield effect.
• Cabaretti Courtyard

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Cabaretti Courtyard's enter-the-battlefield effect.
• Riveteers Overlook

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Riveteers Overlook's enter-the-battlefield effect.
• Kodama of the East Tree

  4GG

  Legendary Creature — SpiritG

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Kodama of the East Tree's enter-the-battlefield effect.
• Amareth, the Lustrous

  3GWU

  Legendary Creature — DragonGUW

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Amareth, the Lustrous's enter-the-battlefield effect.
• Glacial Chasm

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Glacial Chasm's enter-the-battlefield effect.
• Brokers Hideout

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Brokers Hideout's enter-the-battlefield effect.
• Maestros Theater

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Maestros Theater's enter-the-battlefield effect.
• Obscura Storefront

  LandC

  Realmbreaker, the Invasion Tree returns creatures from the graveyard to the battlefield, re-firing Obscura Storefront's enter-the-battlefield effect.
• Shifting Woodland

  LandG

  Graveyard copier: one card stocks the graveyard (mill, surveil, dredge) and the other can repeatedly become a copy of a card that's there, borrowing its abilities without recasting it — the Shifting Woodland + Aftermath Analyst shape.
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Time Spiral

  4UU

  SorceryU

  Time Spiral untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Nissa, Vastwood Seer // Nissa, Sage Animist

  2G

  Legendary Creature — Elf Scout // Legendary Planeswalker — NissaG

  Nissa, Vastwood Seer untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Nissa, Worldwaker

  3GG

  Legendary Planeswalker — NissaG

  Nissa, Worldwaker untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Rewind

  2UU

  InstantU

  Rewind untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps lands, fueling Realmbreaker, the Invasion Tree's mana-hungry effect.