Nim Deathmantle, Krark-Clan Ironworks, and Voldaren Bloodcaster // Bloodbat Summoner

Prerequisites

• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Voldaren Bloodcaster // Bloodbat Summoner on the battlefield
• You control at least one nontoken artifact creature
• You control less than four Blood tokens

Steps

1. Activate Krark-Clan Ironworks by sacrificing a nontoken artifact creature, adding
2. When the creature dies, Voldaren Bloodcaster and Nim Deathmantle trigger
3. Resolve the Voldaren Bloodcaster trigger, creating a Blood artifact token
4. Activate Krark-Clan Ironworks by sacrificing the Blood token, adding
5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return the artifact creature from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Repeat

Results

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