Component Pouch + Filigree Sages + False Dawn + Training Grounds
Component Pouch
Filigree Sages
False Dawn
Training Grounds
Infinite colored manaInfinite mana artifacts you control can produceInfinite untap of artifacts you control
How it works
Cast False Dawn by paying 1.
Activate Component Pouch's second ability by tapping it, causing you to roll a d20 and put at least one component counter on it.
Activate Filigree Sages by paying , or by paying due to False Dawn, untapping Component Pouch.
Activate Component Pouch's first ability by tapping it and removing a component counter from it, adding which can be spent as mana of any color due to False Dawn.
Activate Filigree Sages by paying , untapping Component Pouch.
Repeat from step 2.
Once you have infinite component counters on Component Pouch, you may forego steps 2 and 3 to get infinite colored mana.
This loop relies on fundamentally altering how you generate and spend your mana to turn a steady artifact engine into a runaway machine. Training Grounds is the crucial enabler that lowers Filigree Sages' untap cost down to just a single mana, making it cheap enough to sustain. Meanwhile, False Dawn completely rewrites your magical economy, allowing you to cast that activation with the white mana produced by Component Pouch while granting you the freedom to spend those funds as any color you need. Once Component Pouch has accumulated enough component counters through its dice rolls, its mana-producing ability yields a net positive surplus, letting Filigree Sages untap it endlessly for infinite colored mana.