Lluwen, Exchange Student // Pest Friend, Eternal Scourge, Pitiless Plunderer, and Phyrexian Altar Combo

Lluwen, Exchange Student // Pest Friend, Eternal Scourge, Pitiless Plunderer, and Phyrexian Altar

Here's how the cards Lluwen, Exchange Student // Pest Friend, Eternal Scourge, Pitiless Plunderer, and Phyrexian Altar results in Infinite ETB, Infinite LTB, Infinite death triggers, Infinite magecraft triggers, Infinite sacrifice triggers, and Infinite storm count

Lluwen, Exchange Student // Pest Friend

Eternal Scourge

Pitiless Plunderer

Phyrexian Altar

Prerequisites

Lluwen, Exchange Student // Pest Friend on the battlefield
Eternal Scourge on the battlefield
Pitiless Plunderer on the battlefield
Phyrexian Altar on the battlefield

Steps

Activate Phyrexian Altar by sacrificing Eternal Scourge, adding
When Eternal Scourge dies, Pitiless Plunderer triggers, creating a Treasure token
Activate Lluwen by exiling Eternal Scourge from your graveyard, causing Lluwen to become prepared
Cast a copy of Pest Friend by paying , creating a 1/1 Pest creature token
Activate Phyrexian Altar by sacrificing the Pest, adding
When the Pest dies, Pitiless Plunderer triggers, creating a Treasure token
Activate two Treasures by tapping and sacrificing them, adding
Cast Eternal Scourge from exile by paying
Repeat