Chainer, Dementia Master, Grave Titan, Phyrexian Altar, and Edgar, Ancient Bloodlord

Prerequisites

• Chainer, Dementia Master in the graveyard
• Grave Titan in the graveyard
• Phyrexian Altar on the battlefield
• Edgar, Ancient Bloodlord on the battlefield
• available

Steps

1. Activate Chainer by paying and 3 life, returning Grave Titan from your graveyard to the battlefield
2. When Grave Titan enters, it triggers, creating two 2/2 Zombie creature tokens
3. Activate Phyrexian Altar three times by sacrificing Grave Titan and the two Zombies, adding When Grave Titan and the Zombie tokens die, Edgar triggers three times, for each trigger
4. Repeat

Results

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