The Underworld Cookbook + Clock of Omens + Metalwork Colossus + Kaya, Geist Hunter

The Underworld Cookbook

Clock of Omens

Metalwork Colossus

Kaya, Geist Hunter

How it works

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. Activate The Underworld Cookbook's first ability by tapping it and discarding Metalwork Colossus, creating two Food tokens.
3. Activate Clock of Omens by tapping the Foods, untapping The Underworld Cookbook.
4. Activate Metalwork Colossus by sacrificing the Foods, returning it from your graveyard to your hand.
5. Repeat from step 2.