Urza, Lord Protector, The Mightstone and Weakstone, and Ancestral Statue

Prerequisites

• Urza, Lord Protector on the battlefield
• The Mightstone and Weakstone on the battlefield
• Ancestral Statue in hand
• Urza, Lord Protector and The Mightstone and Weakstone melded into Urza, Planeswalker

Steps

1. Activate Urza, Planeswalker's first loyalty ability by putting two loyalty counters on it, causing artifact spells you cast this turn to cost less and causing you to gain two life
2. Repeat step 1 one additional time
3. Cast Ancestral Statue by paying
4. Ancestral Statue enters the battlefield, returning itself from the battlefield to your hand
5. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count