Su-Chi, Oathkeeper, Takeno's Daisho, Arcane Adaptation, and Blasting Station

Prerequisites

• Su-Chi on the battlefield
• Oathkeeper, Takeno's Daisho on the battlefield
• Arcane Adaptation on the battlefield
• Blasting Station on the battlefield
• Oathkeeper attached to Su-Chi
• "Samurai" chosen with Arcane Adaptation

Steps

1. Activate Blasting Station by tapping and sacrificing Su-Chi
2. Su-Chi and Oathkeeper triggers
3. Resolve the Su-Chi trigger, adding
4. Resolve the Oathkeeper trigger, returning Su-Chi to the battlefield
5. Blasting Station triggers, untapping itself
6. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
7. Equip Oathkeeper to Su-Chi by paying
8. Repeat

Results

• Infinite colorless mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers