Archelos, Lagoon Mystic, Mystic Sanctuary, Second Sunrise, Thaumatog, and Tatyova, Benthic Druid

Prerequisites

• Archelos, Lagoon Mystic on the battlefield
• Mystic Sanctuary on the battlefield
• Second Sunrise in hand
• Thaumatog on the battlefield
• Tatyova, Benthic Druid on the battlefield
• You control at least two Plains
• Archelos is untapped

Steps

1. Activate Mystic Sanctuary and two Plains by tapping them, adding at least
2. Activate Thaumatog's first ability three times by sacrificing Mystic Sanctuary and two Plains, giving Thaumatog +3/+3 until end of turn
3. Cast Second Sunrise by paying , returning all land cards put into your graveyard this turn to the battlefield untapped due to Archelos
4. When each land enters the battlefield, Tatyova triggers that many times, and Mystic Sanctuary triggers once
5. Resolve the Mystic Sanctuary trigger, putting Second Sunrise on top of your library from your graveyard
6. Resolve the Tatyova triggers, causing you to draw that many cards and gain that much life
7. Repeat
8. If you control additional lands, you may sacrifice them as well to get additional mana and triggers

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite landfall triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinitely large Thaumatog until end of turn
• Near-infinite magecraft triggers
• Near-infinite mana lands you control can produce
• Near-infinite storm count