Ashling, the Limitless, Mana Echoes, and Graveshifter

Prerequisites

• Ashling, the Limitless on the battlefield
• Mana Echoes on the battlefield
• Graveshifter in hand
• available

Steps

1. Cast Graveshifter for its evoke cost by paying
2. When Graveshifter enters, its first ability and evoke abilities trigger, as well as Mana Echoes
3. Resolve the Mana Echoes trigger, adding for each creature you control that shares a creature type with Graveshifter
4. Resolve the Graveshifter trigger, optionally returning a card from your graveyard to your hand
5. Resolve the evoke trigger, sacrificing Graveshifter
6. When Graveshifter dies, Ashling triggers, creating a token copy of Graveshifter with haste
7. When the Graveshifter token enters, it and Mana Echoes trigger
8. Resolve the Graveshifter token's trigger, returning Graveshifter from your graveyard to your hand
9. Resolve the Mana Echoes trigger, adding for each creature you control that shares a creature type with the Graveshifter token
10. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite colorless mana
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count
• Return all cards from your graveyard to your hand