Errant and Giada + Mortuary + Krark-Clan Ironworks + Arcbound Stinger

Prerequisites

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Steps

1. 1Activate Krark-Clan Ironworks by sacrificing Arcbound Stinger, adding .
2. 2When Arcbound Stinger dies, Mortuary and Arcbound Stinger's modular ability trigger.
3. 3Resolve the Arcbound Stinger trigger, putting its +1/+1 counters on any other artifact creature you control.
4. 4Resolve the Mortuary trigger, putting Arcbound Stinger on top of your library from your graveyard.
5. 5Cast Arcbound Stinger from the top of your library by paying .
6. 6Repeat.

Effects

• Infinite +1/+1 counters on certain creatures
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count