Glissa, the Traitor, Krark-Clan Ironworks, Acorn Catapult, Teysa Karlov, and Mana Vault

Prerequisites

• Glissa, the Traitor on the battlefield
• Krark-Clan Ironworks on the battlefield
• Acorn Catapult on the battlefield
• Teysa Karlov on the battlefield
• Mana Vault on the battlefield
• An opponent controls a creature with toughness equal to one

Steps

1. Activate Mana Vault by tapping it, adding
2. Activate Acorn Catapult by paying and tapping it, targeting a creature an opponent controls with toughness equal to one
3. Holding priority, activate Krark-Clan Ironworks twice by sacrificing Mana Vault and Acorn Catapult, adding
4. Resolve the Acorn Catapult ability, dealing 1 damage to the creature, causing it to die due to having zero toughness, and causing its controller to create a 1/1 Squirrel creature token
5. When the opponent's creature dies, Glissa triggers twice, returning Acorn Catapult and Mana Vault from your graveyard to your hand
6. Cast Acorn Catapult and Mana Vault by paying
7. Repeat

Results

• Infinite colorless mana
• Infinite death triggers for target opponent
• Infinite ETB for target opponent
• Infinite LTB for target opponent
• Infinite sacrifice triggers for target opponent
• Infinite storm count