Havi, the All-Father, Sakashima of a Thousand Faces, and Blasting Station

Prerequisites

• Havi, the All-Father on the battlefield
• Sakashima of a Thousand Faces on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Sakashima of a Thousand Faces
2. When Sakashima of a Thousand Faces dies, it and Havi trigger
3. Resolve the Havi trigger, returning Sakashima of a Thousand Faces from your graveyard to the battlefield as a copy of Havi
4. When Sakashima of a Thousand Faces enters the battlefield, Blasting Station triggers, untapping Blasting Station
5. Resolve the Sakashima of a Thousand Faces trigger, returning any legendary creature card with mana value 5 or less from your graveyard to the battlefield
6. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Put all legendary creature cards with mana value 5 or less from your graveyard onto the battlefield