Dargo, the Shipwrecker, Dark-Dweller Oracle, and Gwenna, Eyes of Gaea

Prerequisites

• Dargo, the Shipwrecker in the command zone
• Dark-Dweller Oracle on the battlefield
• Gwenna, Eyes of Gaea on the battlefield
• Gwenna does not have summoning sickness
• You have sacrificed at least three artifacts and/or creatures this turn, plus an additional artifact or creature for each time you've cast Dargo from the command zone this game

Steps

1. Activate Gwenna by tapping it, adding that can only be spent to cast creature spells or to activate abilities of creatures
2. Cast Dargo from the command zone by paying
3. Gwenna triggers, putting a +1/+1 counter on it and untapping itself
4. Activate Dark-Dweller Oracle by paying and sacrificing Dargo
5. Choose to return Dargo to the command zone from your graveyard
6. Resolve the Dark-Dweller Oracle ability, exiling the top card of your library and allowing you to play it this turn
7. Repeat

Results

• Exile your library
• Infinite +1/+1 counters on Gwenna
• Infinite commander casts
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count