Doppelgang, and Returned Pastcaller

Prerequisites

• Doppelgang in hand
• Returned Pastcaller on the battlefield
• There are four permanents on the battlefield that can collectively tap to produce at least
• available

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

• Infinite ETB
• Infinite storm count
• Infinite creature tokens
• Infinite magecraft triggers
• Infinite landfall triggers
• Infinite copies of any permanent on the battlefield
• Infinite mana permanents can produce
• Return all instant and sorcery cards from your graveyard to your hand
• Return all Spirit cards from your graveyard to your hand