Solemnity, Luminous Broodmoth, and Rot-Tide Gargantua

Prerequisites

• Solemnity on the battlefield
• Luminous Broodmoth on the battlefield
• Rot-Tide Gargantua in hand
• available

Steps

1. Cast Rot-Tide Gargantua by paying
2. When Rot-Tide Gargantua enters, its exploit ability triggers, causing you to sacrifice it
3. When Rot-Tide Gargantua exploits itself, its last ability and Luminous Broodmoth trigger
4. Resolve Rot-Tide Gargantua's trigger, causing each opponent to sacrifice a creature
5. Resolve Luminous Broodmoth's trigger, returning Rot-Tide Gargantua from your graveyard to the battlefield without a flying counter on it due to Solemnity
6. Repeat from step 2

Results

• Each opponent sacrifices all creatures they control
• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers