Cultivator Colossus, Infinite Reflection, Enduring Renewal, Dryad Arbor, and Phyrexian Altar

Prerequisites

• Cultivator Colossus on the battlefield
• Infinite Reflection on the battlefield
• Enduring Renewal on the battlefield
• Dryad Arbor in hand
• Phyrexian Altar on the battlefield
• Infinite Reflection attached to Cultivator Colossus

Steps

1. Play Dryad Arbor from your hand
2. Dryad Arbor enters the battlefield as a copy of Cultivator Colossus due to Infinite Reflection
3. When Dryad Arbor enters the battlefield, it triggers
4. Holding priority, activate Phyrexian Altar by sacrificing Dryad Arbor, adding one mana of any color
5. When Dryad Arbor dies, Enduring Renewal triggers, returning Dryad Arbor to your hand
6. Resolve the Dryad Arbor trigger from step 3, causing you to put Dryad Arbor onto the battlefield from your hand, draw a card, and then decline to put another land onto the battlefield
7. Repeat from step 2

Results

• Infinite card draw
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count
• Near-infinite colored mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers