Toph, the First Metalbender, Haru, Hidden Talent, Krark-Clan Grunt, and Universal Automaton

Prerequisites

• Toph, the First Metalbender on the battlefield
• Haru, Hidden Talent on the battlefield
• Krark-Clan Grunt on the battlefield
• Universal Automaton in hand
• available

Steps

1. Cast Universal Automaton by paying
2. When Universal Automaton enters, Haru triggers, targeting Universal Automaton as it is a land due to Toph
3. Activate Krark-Clan Grunt by sacrificing Universal Automaton
4. When Universal Automaton dies, Haru triggers, returning Universal Automaton from your graveyard to the battlefield tapped
5. When Universal Automaton enters, Haru triggers, targeting Universal Automaton as it is a land due to Toph
6. Resolve the Krark-Clan Grunt ability
7. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers
• Infinitely powerful Krark-Clan Grunt until end of turn