Liliana, Untouched by Death, Rooftop Storm, Ratadrabik of Urborg, and Shapesharer

Prerequisites

• Liliana, Untouched by Death on the battlefield
• Rooftop Storm on the battlefield
• Ratadrabik of Urborg on the battlefield
• Shapesharer on the battlefield
• Liliana has at least three loyalty counters on it
• available

Steps

1. Activate Liliana's third ability by removing three loyalty counters from it, allowing you to cast Zombie spells from your graveyard this turn
2. Activate Shapesharer by paying , causing it to become a copy of Ratadrabik until your next turn
3. Put the original Ratadrabik into your graveyard due to the legend rule
4. Each other copy of Ratadrabik triggers, creating a nonlegendary token copy of Ratadrabik that is a 2/2 Zombie in addition to its other types
5. Cast Ratadrabik from your graveyard by paying
6. Repeat from step 3

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB