Kaya's Ghostform, Shilgengar, Sire of Famine, and Sun Titan

Prerequisites

• Kaya's Ghostform on the battlefield
• Shilgengar, Sire of Famine on the battlefield
• Sun Titan on the battlefield

Steps

1. Activate Shilgengar by sacrificing Sun Titan
2. When Sun Titan dies, Kaya's Ghostform triggers, returning Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Sun Titan Resolve the Shilgengar ability
4. Repeat

Results

• Infinite Blood tokens
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers