Initial Card State
- All permanents on the battlefield (Spark Double and Phantasmal Image as a copy of Radiant Solar).
Easy Prerequisites
- You have a way to cause a creature to enter the battlefield under your control.
- You are not currently venturing in a dungeon.
Steps
- Put any nontoken creature onto the battlefield.
- When the creature enters, Radiant Solar, Spark Double and Phantasmal Image each trigger.
- Resolve the Radiant Solar trigger, causing you to venture into Tomb of Annihilation and into the Trapped Entry room, causing each player to lose 1 life.
- Resolve the Spark Double trigger, venturing into the Oubliette room, causing you to discard a card and then sacrifice Radiant Solar.
- Resolve the Phantasmal Image trigger, venturing into the Cradle of the Death God room, creating a 4/4 legendary The Atropal creature token and completing Tomb of Annihilation.
- If you control two or more The Atropal tokens, put all but one into your graveyard due to the legend rule.
- Sefris' second ability triggers, returning Radiant Solar from your graveyard to the battlefield.
- Repeat from step 2.
Notes
- If you are currently venturing in a dungeon when starting the combo, you can complete the dungeon and then use Sefris' second ability to put a creature onto the battlefield to start the combo.
Results
- Near-infinite ETB.
- Near-infinite LTB.
- Near-infinite death triggers.
- Near-infinite lifeloss for all players.
- Near-infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).