Six, Emerald Medallion, Phyrexian Altar, and Circle of the Land Druid

Prerequisites

• Six on the battlefield
• Emerald Medallion on the battlefield
• Phyrexian Altar on the battlefield
• Circle of the Land Druid in hand
• You have at least one land card in hand
• available

Steps

1. Cast Circle of the Land Druid from your graveyard for its retrace cost by paying and discarding a land card
2. When Circle of the Land Druid enters the battlefield, its first ability triggers, allowing you to mill four cards
3. Activate Phyrexian Altar by sacrificing Circle of the Land Druid, adding
4. When Circle of the Land Druid dies, its second ability triggers, returning a land card from your graveyard to your hand
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite storm count
• Infinite self-discard triggers