The Cauldron of Eternity [Throne of Eldraine]

Description

Set:	Throne of Eldraine
Type:	Legendary Artifact
Rarity:	Mythic
Cost:	{10}{B}{B}

This spell costs {2} less to cast for each creature card in your graveyard.
Whenever a creature you control dies, put it on the bottom of its owner's library.
{2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate this ability only any time you could cast a sorcery.