Zimone and Dina, Bloodghast, Retreat to Coralhelm, and Izzet Boilerworks

Prerequisites

• Zimone and Dina on the battlefield
• Bloodghast on the battlefield
• Retreat to Coralhelm on the battlefield
• Izzet Boilerworks in hand

Steps

1. Activate Zimone and Dina by tapping it and sacrificing Bloodghast, causing you to draw a card and put Izzet Boilerworks from your hand onto the battlefield, and then repeat this process once if you control eight or more lands, putting any other land from your hand onto the battlefield instead
2. When Izzet Boilerworks enters the battlefield, it, Bloodghast and Retreat to Coralhelm trigger
3. Resolve the Izzet Boilerworks trigger, returning it from the battlefield to your hand
4. Resolve the Bloodghast trigger, returning it from your graveyard to the battlefield
5. Resolve the Retreat to Coralhelm trigger, untapping Zimone and Dina
6. Repeat

Results

• Infinite card draw
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite landfall triggers
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Put all lands from your hand and library onto the battlefield