Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Mindless Automaton, and Arcbound Ravager

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Mindless Automaton on the battlefield
• Arcbound Ravager on the battlefield

Steps

1. Activate Arcbound Ravager by sacrificing Mindless Automaton
2. When Mindless Automaton dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect
3. Resolve the Arcbound Ravager ability
4. Repeat
5. Kill Arcbound Ravager
6. When Arcbound Ravager dies, its persist ability triggers, returning Arcbound Ravager from your graveyard to the battlefield
7. It will have no counters on it due to its modular ability
8. Arcbound Ravager dies as a state-based action due to having 0 toughness Repeat from step 2

Results

• Draw the game
• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers