Ashling, the Limitless, Ashnod's Altar, and Greenwarden of Murasa

Prerequisites

• Ashling, the Limitless on the battlefield
• Ashnod's Altar on the battlefield
• Greenwarden of Murasa in hand
• available

Steps

1. Cast Greenwarden of Murasa for its evoke cost by paying
2. When Greenwarden of Murasa enters, its first ability and evoke abilities trigger
3. Resolve the first trigger, optionally returning a card from your graveyard to your hand
4. Holding priority, activate Ashnod's Altar by sacrificing Greenwarden of Murasa, adding
5. When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste
6. When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand
7. Resolve the remaining Greenwarden of Murasa ability from step 2, doing nothing
8. Activate Ashnod's Altar by sacrificing the Greenwarden of Murasa token, adding
9. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count
• Return all cards from your graveyard to your hand