Confidence:StrongSolidPlausibleTentativeSpeculative

• Alaundo the Seer

  2GU

  Legendary Creature — Human ShamanGU

  Alaundo the Seer removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Ravaging Riftwurm's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Ravaging Riftwurm's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Timebender

  U

  Creature — Human WizardU

  Timebender removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Amy Pond

  2R

  Legendary Creature — HumanR

  Amy Pond removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Ravaging Riftwurm's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Fury Charm

  1R

  InstantR

  Fury Charm removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Shivan Sand-Mage

  2RR

  Creature — Lizard ShamanR

  Shivan Sand-Mage removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Jhoira's Timebug

  2

  Artifact Creature — InsectC

  Jhoira's Timebug removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Dust of Moments

  2W

  InstantW

  Dust of Moments removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.
• Timecrafting

  XR

  InstantR

  Timecrafting removes time counters from suspended cards, so Ravaging Riftwurm comes out of suspend sooner — and any "whenever a time counter is removed" payoff on it fires each time.