Ashnod the Uncaring + Apprentice Necromancer + Phyrexian Altar

Prerequisites

• You control another nontoken creature.
• Apprentice Necromancer does not have summoning sickness.

Steps

1. 1Activate Phyrexian Altar by sacrificing another nontoken creature, adding .
2. 2Activate Apprentice Necromancer by paying , tapping and sacrificing it, targeting any creature card in your graveyard.
3. 3Ashnod triggers, copying Apprentice Necromancer's ability, targeting Apprentice Necromancer.
4. 4Resolve both Apprentice Necromancer abilities, returning Apprentice Necromancer and another creature from your graveyard to the battlefield, and giving them haste until end of turn.
5. 5Repeat.

Effects

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