Activate all mana-producing creatures you control by tapping them, adding at least {6}.
Activate Myr Matrix by paying {5}, creating a 1/1 Myr creature token.
The Myr enters the battlefield, triggering Intruder Alarm, untapping all creatures.
Repeat.

Infinite creature tokens

Infinite creature ETB

Infinite mana creatures you control can produce

Infinite untap of creatures

Myr Matrix

Intruder Alarm

Activate Myr Matrix by paying {5}, creating a 1/1 Myr creature token.
The Myr enters the battlefield, triggering Mana Echoes, adding at least {C}{C}{C}{C}{C}.
Repeat.

Infinite colorless mana

Mana Echoes

Activate Myr Matrix by paying {5}, creating three 1/1 Myr artifact creature tokens.
Activate Krark-Clan Ironworks three times by sacrificing the Myrs, adding six {C}.
Repeat.
Once you have infinite mana, you may forego sacrificing the Myr tokens.

Infinite death triggers

Infinite creature LTB

Infinite creature sacrifice triggers

Ojer Taq, Deepest Foundation // Temple of Civilization

Krark-Clan Ironworks

Activate Myr Matrix by paying {5}, creating three 1/1 Myr artifact creature tokens.
Activate Ashnod's Altar three times by sacrificing the Myrs, adding six {C}.
Repeat.
Once you have infinite mana, you may forego sacrificing the Myr tokens.

Ashnod's Altar

Activate Chromatic Orrery's first ability by tapping it, adding {5}.
Activate Myr Matrix by paying {5}, creating a 1/1 Myr artifact creature token.
Activate Krark-Clan Ironworks by sacrificing the Myr, adding {2}.
The Myr dies, triggering Dross Scorpion, untapping Chromatic Orrery.
Repeat.
Once you have infinite mana, if you control a colored permanent, you may activate Chromatic Orrery's second ability instead to draw infinite cards.

Infinite card draw

Infinite colored mana

Infinite draw triggers

Infinite untap of artifacts you control

Chromatic Orrery

Dross Scorpion

Activate Chromatic Orrery's first ability by tapping it, adding {5}.
Activate Myr Matrix by paying {5}, creating a 1/1 Myr artifact creature token.
Activate Ashnod's Altar by sacrificing the Myr, adding {2}.
The Myr dies, triggering Dross Scorpion, untapping Chromatic Orrery.
Repeat.
Once you have infinite mana, if you control a colored permanent, you may activate Chromatic Orrery's second ability instead to draw infinite cards.

Activate Chromatic Orrery's first ability by tapping it, adding {5}.
Activate Myr Matrix by paying {5}, creating a 1/1 Myr artifact creature token.
Activate Phyrexian Altar by sacrificing the Myr, adding {1}.
The Myr dies, triggering Dross Scorpion, untapping Chromatic Orrery.
Repeat.
Once you have infinite mana, if you control a colored permanent, you may activate Chromatic Orrery's second ability instead to draw infinite cards.

Combos with "Myr Matrix"