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Prototype Portal + Clock of Omens + Grinding Station + Vault of Whispers

B mana
Prototype Portal
Prototype Portal
Clock of Omens
Clock of Omens
Grinding Station
Grinding Station
Vault of Whispers
Vault of Whispers
Infinite landfall triggersInfinite tapped land tokens

How it works

  1. Activate Prototype Portal by paying 0 and tapping it, creating a token copy of Vault of Whispers.
  2. The Vault of Whispers token enters, triggering Grinding Station, untapping Grinding Station.
  3. Activate Clock of Omens by tapping the Vault of Whispers token and Grinding Station, untapping Prototype Portal.
  4. Repeat.
Legal in:CommanderLegacyOathbreakerPredhVintage
59 decks$21.12