Tatyova, Benthic Druid + Doppelgang + Mystic Sanctuary

Prerequisites

• You control at least two additional Islands.
• You control at least three additional permanents that enter the battlefield untapped and can collectively tap to produce at least .

Steps

1. 1Cast Doppelgang by paying , creating four token copies of Mystic Sanctuary and three other permanents that enter the battlefield untapped and can collectively tap to produce at least .
2. 2When the tokens enter the battlefield untapped, each Mystic Sanctuary token triggers, and Tatyova triggers for each land token that entered the battlefield.
3. 3Resolve all Mystic Sanctuary triggers, putting Doppelgang on top of your library from your graveyard.
4. 4Resolve all Tatyova triggers, causing you to draw that many cards, including Doppelgang with the first draw, and gain that much life.
5. 5Activate the four Mystic Sanctuary tokens by tapping them, adding .
6. 6Activate ten of the other permanent tokens created in step 1 by tapping them, adding at least .
7. 7Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite copies of all permanents
• Near-infinite Island tokens
• Near-infinite landfall triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite magecraft triggers
• Near-infinite mana permanents you control can produce
• Near-infinite storm count