Berta, Wise Extrapolator, Shrieking Drake, and Three Tree Scribe

Prerequisites

• Berta, Wise Extrapolator on the battlefield
• Shrieking Drake in hand
• Three Tree Scribe on the battlefield
• available

Steps

1. Cast Shrieking Drake by paying
2. When Shrieking Drake enters, it triggers, returning itself from the battlefield to your hand
3. Three Tree Scribe triggers, putting a +1/+1 counter on Berta
4. Berta triggers, adding
5. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count