Cordial Vampire + Antler Skulkin + Ashnod's Altar

Prerequisites

• You control a white nontoken Vampire with toughness two or greater that does not have a -1/-1 counter on it.

Steps

1. 1Activate Antler Skulkin by paying , giving the nontoken white Vampire persist until end of turn.
2. 2Activate Ashnod's Altar by sacrificing the Vampire, adding .
3. 3The Vampire dies, triggering its persist ability and Cordial Vampire.
4. 4Resolve the Vampire's persist trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. 5Resolve the Cordial Vampire trigger, putting a +1/+1 counter on each Vampire you control.
6. 6Repeat.

Effects

• Infinite +1/+1 counters on certain creatures
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers