Scrap Mastery + Codex Shredder + Krark-Clan Ironworks

Prerequisites

• You control any number of mana-producing artifact(s) that enter the battlefield untapped and that can tap to produce at least .
• You control at least three additional nontoken artifacts, including the mana-producing artifact(s).

Steps

1. 1Activate any number of mana-producing artifacts you control by tapping them, adding at least .
2. 2Activate Krark-Clan Ironworks by sacrificing any artifact except itself, adding .
3. 3Repeat step 2 for each remaining applicable artifact.
4. 4Activate Krark-Clan Ironworks by sacrificing itself, adding .
5. 5Cast Scrap Mastery by paying , causing each player to exile all artifact cards from your graveyard, then sacrifice all artifacts they control, then return all exiled cards from exile to the battlefield.
6. 6Repeat steps 1-4 one additional time.
7. 7Activate Codex Shredder's second ability by paying , tapping and sacrificing it, returning Scrap Mastery from your graveyard to your hand.
8. 8Repeat from step 5.
9. 9If artifacts you control can tap to produce at least , this combo nets infinite mana of those types.
10. 10If you control four or more other nontoken artifacts as this combo begins, this combo nets infinite colorless mana.

Effects

• Infinite colorless mana
• Infinite magecraft triggers
• Infinite mana artifacts you control can produce
• Infinite storm count