Antler Skulkin + Ashnod's Altar + Phantom Flock

Prerequisites

• Phantom Flock does not have a -1/-1 counter on it.

Steps

1. 1Activate Antler Skulkin by paying , giving Phantom Flock persist until end of turn.
2. 2Activate Ashnod's Altar by sacrificing Phantom Flock, adding .
3. 3When Phantom Flock dies, its persist ability triggers, returning it to the battlefield from your graveyard with two +1/+1 counters on it due to its first ability.
4. 4Repeat.

Effects

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