Gonti's Aether Heart [Aether Revolt Prerelease Promos]

Set:	Aether Revolt Prerelease Promos
Type:	Legendary Artifact
Rarity:	Mythic
Cost:	{6}

Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control, you get {E}{E} (two energy counters).
Pay {E}{E}{E}{E}{E}{E}{E}{E}, Exile Gonti's Aether Heart: Take an extra turn after this one. Despite the magic that sustains Gonti's life, the crime lord is often described as heartless.