Scrap Mastery, Codex Shredder, and Krark-Clan Ironworks

Prerequisites

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

Results

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