Hell's Caretaker + Corridor Monitor + Breaching Hippocamp

Prerequisites

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Steps

1. 1During your upkeep, activate Hell's Caretaker by sacrificing Corridor Montior, returning Breaching Hippocamp from your graveyard to the battlefield.
2. 2Breaching Hippocamp enters the battlefield, untapping Hell's Caretaker.
3. 3Activate Hell's Caretaker by sacrificing Breaching Hippocamp, returning Corridor Monitor from your graveyard to the battlefield.
4. 4Corridor Monitor enters the battlefield, untapping Hell's Caretaker.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers