Shilgengar, Sire of Famine, Metalwork Colossus, and Kaya, Geist Hunter

Prerequisites

• Shilgengar, Sire of Famine on the battlefield
• Metalwork Colossus in hand
• Kaya, Geist Hunter on the battlefield
• Kaya has at least two loyalty counters on it
• The total mana value of noncreature artifacts you control is at least 11

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Cast Metalwork Colossus by paying
3. Activate Shilgengar by sacrificing Metalwork Colossus, creating two Blood tokens
4. Activate Metalwork Colossus by sacrificing two Bloods, returning it from your graveyard to your hand
5. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count