Cauldron Familiar, Witch's Oven, Dross Scorpion, and Ygra, Eater of All Combo

Cauldron Familiar, Witch's Oven, Dross Scorpion, and Ygra, Eater of All

Here's how the cards Cauldron Familiar, Witch's Oven, Dross Scorpion, and Ygra, Eater of All results in Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite lifegain triggers, Infinite lifegain, Infinite lifeloss, and Infinite tapped Food tokens

Cauldron Familiar

Witch's Oven

Dross Scorpion

Ygra, Eater of All

Prerequisites

Cauldron Familiar on the battlefield
Witch's Oven on the battlefield
Dross Scorpion on the battlefield
Ygra, Eater of All on the battlefield

Steps

Activate Witch's Oven by tapping it and sacrificing Cauldron Familiar
When Cauldron Familiar dies, Dross Scorpion triggers, untapping Witch's Oven
Resolve the Witch's Oven ability, creating a Food token
Activate Cauldron Familiar by sacrificing a tapped Food, returning Cauldron Familiar from your graveyard to the battlefield
When Cauldron Familiar enters, it triggers, causing each opponent to lose 1 life and you to gain 1 life
Repeat