Requires

Doppelgang must be in hand. Returned Pastcaller must be on the battlefield. Mana needed:

Steps

1. Cast Doppelgang by paying , creating five token copies of Returned Pastcaller and of the four mana-producing permanents.
2. When the Returned Pastcaller tokens enter the battlefield, they trigger, returning Doppelgang and up to four other Spirit, instant or sorcery cards from your graveyard to your hand.
3. Activate seventeen of the mana-producing permanent tokens by tapping them, adding at least .
4. Repeat.
5. Once you have infinite tokens and mana, you may instead target any other permanents using Doppelgang.

Results