Six, Turntimber Sower, Tangleroot, and Primal Vigor

Prerequisites

• Six on the battlefield
• Turntimber Sower on the battlefield
• Tangleroot on the battlefield
• Primal Vigor on the battlefield
• You have at least one land card in hand

Steps

1. Cast the creature with mana cost from your graveyard for its retrace cost by discarding a land card
2. Tangleroot and Turntimber Sower trigger
3. Resolve the Tangleroot trigger, adding
4. Resolve the Turntimber Sower trigger, creating two 0/1 Plant creature tokens
5. Activate Turntimber Sower by paying , sacrificing the cost creature and sacrificing the two Plants, returning a land card from your graveyard to your hand
6. Repeat

Results

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