Yedora, Grave Gardener, Phyrexian Altar, and Scornful Egotist Combo

Yedora, Grave Gardener, Phyrexian Altar, and Scornful Egotist

Here's how the cards Yedora, Grave Gardener, Phyrexian Altar, and Scornful Egotist results in Infinite death triggers, Infinite green mana, Infinite landfall triggers, Infinite LTB, and Infinite sacrifice triggers

Yedora, Grave Gardener

Phyrexian Altar

Scornful Egotist

Prerequisites

Yedora, Grave Gardener on the battlefield
Phyrexian Altar on the battlefield
Scornful Egotist on the battlefield

Steps

Activate Phyrexian Altar by sacrificing Scornful Egotist, adding
When Scornful Egotist dies, Yedora triggers, returning Scornful Egotist from your graveyard to the battlefield face down as a Forest land
Activate Scornful Egotist by tapping it, adding
Activate Scornful Egotist's morph ability by paying , turning it face up
Repeat