Saheeli, Radiant Creator | Gonti's Aether Heart

Cards

Gonti's Aether Heart in hand or in your graveyard or in your library (on top of your library).
Saheeli and
Academy Ruins on the battlefield.

You are able to generate an additional ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) each turn.

During your upkeep, if
Gonti's Aether Heart is in your graveyard, activate
Academy Ruins by paying ({1} magic symbol) ({U} magic symbol) and tapping it, putting
Gonti's Aether Heart from your graveyard onto the top of your library.
Move to your draw step, drawing
Gonti's Aether Heart.
Cast
Gonti's Aether Heart by paying ({6} magic symbol) .
Saheeli triggers, causing you to get ({E} magic symbol) .
When
Gonti's Aether Heart enters the battlefield, it triggers, causing you to get ({E} magic symbol) ({E} magic symbol) .
At the beginning of your combat phase,
Saheeli triggers, causing you to pay ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) to create a token copy of
Gonti's Aether Heart that is a 5/5 artifact creature with haste.
Put the nontoken
Gonti's Aether Heart into your graveyard due to the legend rule.
Both
Gonti's Aether Hearts trigger, causing you to get ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) .
If needed, generate up to an additional ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) until you have eight ({E} magic symbol) available.
Activate the
Gonti's Aether Heart by paying eight ({E} magic symbol) and exiling it, causing you to take an extra turn after this one.
Repeat each turn.

This combo has been estimated to be Ruthless (Bracket 4+).