Krark-Clan Ironworks + Scrap Trawler + Myr Retriever + Chromatic Star + Mox Opal

Prerequisites

• You control at least three artifacts.

Steps

1. 1Announce the activation of Chromatic Star's ability, allowing you to activate mana abilities while delaying any triggered abilities until this ability has finished resolving.
2. 2Activate Mox Opal's mana ability by tapping it, adding one mana of any color.
3. 3Activate Krark-Clan Ironworks three times by sacrificing Mox Opal, Myr Retriever, and Krark-Clan Ironworks, adding six colorless mana.
4. 4Complete the activation of Chromatic Star by paying , tapping it, and sacrificing it, adding one mana of any color.
5. 5When the artifacts go to the graveyard in steps 3 and 4, Myr Retriever triggers once, Scrap Trawler triggers four times, and Chromatic Star triggers once.
6. 6Resolve Chromatic Star's triggered ability, drawing a card.
7. 7Resolve Myr Retriever's triggered ability, returning Krark-Clan Ironworks from your graveyard to your hand.
8. 8Resolve Scrap Trawler's triggered ability from Krark-Clan Ironworks, returning Myr Retriever from your graveyard to your hand.
9. 9Resolve Scrap Trawler's triggered ability from Myr Retriever, returning Chromatic Star from your graveyard to your hand.
10. 10Resolve Scrap Trawler's triggered ability from Chromatic Star, returning Mox Opal from your graveyard to your hand.
11. 11The final Scrap Trawler triggered ability from Mox Opal fails to resolve due to lack of targets.
12. 12Cast Krak-Clan Ironworks, Myr Retriver, Chromatic Star, and Mox Opal by paying seven mana.
13. 13Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Near-infinite storm count