Turntimber Sower, Worm Harvest, and Phyrexian Altar

Prerequisites

• Turntimber Sower on the battlefield
• Worm Harvest in the graveyard
• Phyrexian Altar on the battlefield
• You have at least eight land cards in your graveyard
• You have at least one land card available

Steps

1. Cast Worm Harvest from your graveyard for its retrace cost by paying and discarding a land card, creating a 1/1 Worm creature token for each land card in your graveyard
2. Activate Phyrexian Altar six times by discarding six Worms, adding
3. Activate Turntimber Sower by paying and sacrificing three Worms, returning a land card from your graveyard to your hand
4. Repeat
5. If you have at least ten land cards in your graveyard as Worm Harvest resolves, this combo nets infinite creature tokens and mana

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens
• Infinite self-discard triggers
• Infinite magecraft triggers