Prototype Portal + Clock of Omens + Battered Golem + Treasure Vault

Prerequisites

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Steps

1. 1Activate Prototype Portal by paying , creating a token copy of Treasure Vault.
2. 2When the Treasure Vault token enters the battlefield, Battered Golem triggers, untapping itself.
3. 3Activate Clock of Omens by tapping Battered Golem and the Treasure Vault token, untapping Prototype Portal.
4. 4Repeat.

Effects

• Infinite landfall triggers
• Infinite tapped copies of a specific land
• Infinite tapped Forest tokens
• Infinite tapped Island tokens
• Infinite tapped Mountain tokens
• Infinite tapped Plains tokens
• Infinite tapped Swamp tokens