Miirym, Sentinel Wyrm | Reflections of Littjara | Ganax, Astral Hunter

(and one other card)

Ganax in hand.
Miirym in the command zone.
Reflections of Littjara and
Kaya on the battlefield (
Kaya with two or more loyalty counters on it).
Miirym must be your commander.

({3} magic symbol) ({G} magic symbol) ({U} magic symbol) ({R} magic symbol) available.

Activate
Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn.
Cast
Miirym either from your hand or from the command zone by paying ({3} magic symbol) ({G} magic symbol) ({U} magic symbol) ({R} magic symbol) plus commander tax, if applicable.
Reflections of Littjara triggers, copying the
Miirym spell, creating two token copies of
Miirym.
Put all but one legendary
Miirym into your graveyard due to the legend rule.
When the
Miirym tokens enter,
Ganax triggers twice, creating four Treasure tokens.
Resolve the original
Miirym spell. Choose to put the nontoken
Miirym into your graveyard due to the legend rule.
Each
Miirym you control and
Ganax trigger,.
Resolve the
Ganax trigger, creating two Treasure tokens.
Resolve a
Miirym trigger, creating two token copies of
Miirym that aren't legendary.
When the
Miirym tokens enter,
Ganax triggers, creating two Treasure tokens.
Repeat from step 9 for each remaining trigger, if applicable.
Activate a Treasure by tapping and sacrificing it, adding one mana of any color.
Repeat step 12 until you control no Treasures and/or you have enough mana to cast
Miirym from the command zone.
Repeat from step 2.

The starting cost assume you haven't cost
Miirym from the command zone this game. You can perform the combo if you've cast
Miirym this game from the command zone, but will need additional mana to do so.