Deal combat damage using Ant-Man, triggering its ability, creating a number of Treasure tokens.
At the beginning of your next upkeep, Mechanized Production triggers, creating a copy of the artifact it's attached to and causing you to win the game.

Win the game at the beginning of your next upkeep

Ant-Man, Elusive Avenger

Mechanized Production

Deal combat damage using Ant-Man, triggering its ability, creating at least five Treasure tokens.
Activate Time Sieve by tapping it and sacrificing five Treasures, causing you to take an extra turn after this one.
Repeat each turn.

Infinite turns

Lock

Time Sieve

Activate Reflection of KIki-Jiki by paying {1} and tapping it, creating a token copy of Combat Celebrant with haste.
Declare Ant-Man and Combat Celebrant token as attackers, choosing to exert Combat Celebrant as it attacks.
When you attack, the token Combat Celebrant triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
When you deal combat damage, Ant-Man triggers, creating at least one Treasure token.
Activate a Treasure by tapping and sacrificing it, adding one mana.
Repeat.

Infinite Treasure tokens

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite artifact tokens

Infinite colored mana

Infinite combat phases

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite creature tokens with haste

Infinite death triggers

Fable of the Mirror-Breaker // Reflection of Kiki-Jiki

Combat Celebrant

Deal combat damage using Ant-Man, triggering its ability, creating at least five Treasure tokens.
When the Treasures enter, Mm'menon triggers that many times, putting at least five +1/+1 counters on Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat each turn.

Sage of Hours

Mm'menon, Uthros Exile

Combos with "Ant-Man, Elusive Avenger"