Zimone and Dina, Bloodghast, Retreat to Coralhelm, and Dimir Aqueduct

Prerequisites

• Zimone and Dina on the battlefield
• Bloodghast on the battlefield
• Retreat to Coralhelm on the battlefield
• Dimir Aqueduct in hand
• Zimone and Dina does not have summoning sickness

Steps

1. Activate Zimone and Dina by tapping it and sacrificing Bloodghast, causing you to draw a card and put Dimir Aqueduct 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 Dimir Aqueduct enters the battlefield, it, Bloodghast and Retreat to Coralhelm trigger
3. Resolve the Dimir Aqueduct 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
• Infinite draw triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite landfall triggers
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Put all lands from your hand and library onto the battlefield