Grenzo, Dungeon Warden, Ashnod's Altar, Reito Lantern, and Threefold Thunderhulk

Prerequisites

• Grenzo, Dungeon Warden on the battlefield
• Ashnod's Altar on the battlefield
• Reito Lantern on the battlefield
• Threefold Thunderhulk in the graveyard
• available

Steps

1. Activate Reito Lantern 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 Ashnod's Altar three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six
5. Repeat

Results

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