Grenzo, Dungeon Warden, Threefold Thunderhulk, Soldevi Digger, and Phyrexian Altar

Prerequisites

• Grenzo, Dungeon Warden on the battlefield
• Threefold Thunderhulk in the graveyard
• Soldevi Digger on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Soldevi Digger by paying , putting Threefold Thunderhulk on the bottom of your library from your graveyard
2. Activate Grenzo by paying , putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield
3. When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens
4. Activate Phyrexian Altar four times by sacrificing Threefold Thunderhulk and the Gnomes, adding
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers