Halvar, God of Battle // Sword of the Realms, Ancient Adamantoise, Viscera Seer, and Archelos, Lagoon Mystic

Prerequisites

• Halvar, God of Battle // Sword of the Realms on the battlefield
• Ancient Adamantoise on the battlefield
• Viscera Seer on the battlefield
• Archelos, Lagoon Mystic on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Ancient Adamantoise
2. When Ancient Adamantoise dies, it and Sword of the Realms trigger
3. Resolve the Sword of the Realms trigger, returning Ancient Adamantoise from your graveyard to your hand
4. Resolve the Ancient Adamantoise trigger, creating ten Treasure tokens that are untapped due to Archelos
5. Resolve the Viscera Seer ability
6. Activate the Treasures by tapping and sacrificing them, adding
7. Cast Ancient Adamantoise by paying
8. Activate Sword of the Realms by paying , attaching it to Ancient Adamantoise
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite scry 1
• Infinite storm count