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

Prerequisites

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

Effects

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