Codex Shredder, Krark-Clan Ironworks, and Second Sunrise

Prerequisites

• Codex Shredder on the battlefield
• Krark-Clan Ironworks on the battlefield
• Second Sunrise in your graveyard
• You control at least three additional nontoken artifacts
• Artifacts you control that enter the battlefield untapped can produce at least

Steps

1. Activate all mana-producing artifacts you control by tapping them, adding at least
2. Activate Krark-Clan Ironworks by sacrificing any nontoken artifact besides itself or Codex Shredder, adding
3. Repeat step 2 for each remaining applicable nontoken artifact you control
4. Activate Krark-Clan Ironworks by sacrificing itself, adding
5. Activate Codex Shredder by paying , tapping and sacrificing it, returning Second Sunrise from your graveyard to your hand
6. Cast Second Sunrise by paying , returning all artifacts, lands, creatures and enchantments that were put into a graveyard this turn onto the battlefield under their owner's control
7. Repeat

Results

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