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

Prerequisites

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Steps

1. 1Activate Prototype Portal by paying and tapping it, creating a token copy of Treasure Vault.
2. 2The Treasure Vault token enters, triggering Grinding Station, untapping Grinding Station.
3. 3Activate Clock of Omens by tapping the Treasure Vault token and Grinding Station, untapping Prototype Portal.
4. 4Repeat.

Effects

• Infinite landfall triggers
• Infinite tapped land tokens