Grenzo, Dungeon Warden, Kiki-Jiki, Mirror Breaker, Ashnod's Altar, and Junktroller

Prerequisites

• Grenzo, Dungeon Warden on the battlefield
• Kiki-Jiki, Mirror Breaker on the battlefield
• Ashnod's Altar on the battlefield
• Junktroller on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Junktroller with haste
2. Activate Ashnod's Altar by sacrificing Kiki-Jiki, adding
3. Activate the Junktroller token by tapping it, putting Kiki-Jiki from your graveyard onto the bottom of your library
4. Activate Grenzo by paying , putting Kiki-Jiki into your graveyard from the bottom of your library and then putting Kiki-Jiki onto the battlefield
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite tapped creature tokens