Jace, Wielder of Mysteries, Maestros Charm, Rionya, Fire Dancer, Storm-Kiln Artist, and Underworld Breach Combo

Prerequisites

Jace, Wielder of Mysteries in hand or on the battlefield or in your graveyard or in your library
Maestros Charm in hand or in your graveyard
Rionya, Fire Dancer on the battlefield
Storm-Kiln Artist on the battlefield
Underworld Breach on the battlefield
You have cast at least one instant or sorcery this turn
You have at least three other cards in your graveyard if Maestros Charm is in your graveyard
plus an additional if Jace is not on the battlefield available

At the beginning of your combat phase, Rionya triggers, creating at least two token copies of Storm-Kiln Artist
Move to your post-combat main phase
If Maestros Charm is in your hand, cast it by paying
Otherwise, cast it from your graveyard for its escape cost by paying and exiling three cards from your graveyard, ensuring not to exile Jace if it is in your graveyard
Each Storm-Kiln Artist triggers, creating at least three Treasure tokens
Resolve Maestros Charm, causing you to look at the top five cards of your library, put one of them in your hand and put the rest into your graveyard
If you don't have an empty library, activate three Treasure tokens by tapping and sacrificing them, adding
Repeat from step 4 until you have an empty library
If Jace is not on the battlefield, activate three Treasure tokens by tapping and sacrificing them, adding
If Jace is in your hand, cast it by paying
If Jace is in your graveyard, cast it for its escape cost by paying and exiling three cards from your graveyard
Activate Jace's first loyalty ability by putting a loyalty counter on it, causing target player to mill two cards and you to win the game due to drawing from an empty library