Cauldron Familiar + Witch's Oven + Clock of Omens + Ygra, Eater of All

Prerequisites

• You control at least one additional Food.

Steps

1. 1Activate Clock of Omens by tapping Cauldron Familiar, as it is a Food due to Ygra, and another Food, targeting Witch's Oven.
2. 2Holding priority, activate Witch's Oven by tapping it and sacrificing Cauldron Familiar, creating a Food token.
3. 3Resolve the Clock of Omens ability, untapping Witch's Oven.
4. 4Activate Cauldron Familiar by sacrificing a tapped Food, returning Cauldron Familiar from your graveyard to the battlefield.
5. 5When Cauldron Familiar enters the battlefield, it triggers, causing each opponent to lose 1 life and you to gain 1 life.
6. 6Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers
• Infinite tapped Food tokens