Berta, Wise Extrapolator, Well of Lost Dreams, Shabraz, the Skyshark, and Heroic Feast

Prerequisites

• Berta, Wise Extrapolator on the battlefield
• Well of Lost Dreams on the battlefield
• Shabraz, the Skyshark on the battlefield
• Heroic Feast on the battlefield

Steps

1. Draw a card
2. Shabraz triggers, causing you to gain life
3. Well of Lost Dreams and Heroic Feast trigger
4. Resolve the Heroic Feast trigger, putting a +1/+1 counter on Berta
5. Berta triggers, adding
6. Resolve the Well of Lost Dreams ability, causing you to pay to draw a card
7. Repeat from step 2

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite lifegain
• Near-infinite lifegain triggers