Activate Kydele by tapping it, adding at least {C}{C}{C}{C}.
Activate Thrasios by paying {4}, causing you to scry 1, then reveal the top card of your library and put it onto the battlefield tapped if it's a land, or draw a card otherwise.
If you put a land onto the battlefield this way, Retreat to Coralhelm triggers, untapping Kydele.
Otherwise, activate Mind Over Matter by discarding a card, untapping Kydele.
Repeat.

Near-infinite colorless mana

Near-infinite draw triggers

Near-infinite landfall triggers

Near-infinite looting

Near-infinite self-discard triggers

Put all lands from your library onto the battlefield

Kydele, Chosen of Kruphix

Thrasios, Triton Hero

Mind Over Matter

Retreat to Coralhelm

Activate Kydele by tapping it, adding at least {C}{C}{C}{C}.
Activate Thrasios by paying {4}, causing you to draw a card, then reveal the top card of your library and put it onto the battlefield tapped if it's a land, or draw a card otherwise.
Activate Mind Over Matter by discarding a card, untapping Kydele.
Repeat.

Infinite draw triggers

Near-infinite card draw

Eligeth, Crossroads Augur

Activate Phyrexian Altar by sacrificing Skyfire Phoenix, adding {G}.
Cast Rograkh either from your hand or from the command zone by paying {0} plus commander tax, if applicable.
Skyfire Phoenix triggers, returning itself to the battlefield from your graveyard.
When Skyfire Phoenix enters the battlefield, Cloudstone Curio triggers, returning Thrasios to your hand from the battlefield.
When Rograkh enters the battlefield, Cloudstone Curio triggers, returning nothing to your hand from the battlefield.
Activate Phyrexian Altar by sacrificing Skyfire Phoenix, adding {U}.
Cast Thrasios by paying {G}{U}.
Skyfire Phoenix triggers, returning itself to the battlefield from your graveyard.
When Skyfire Phoenix enters the battlefield, Cloudstone Curio triggers, returning Rograkh to your hand from the battlefield.
When Thrasios enters the battlefield, Cloudstone Curio triggers, returning nothing to your hand from the battlefield.
Repeat.

Combos with "Thrasios, Triton Hero"