Worm Harvest + Groundskeeper + Phyrexian Altar

Prerequisites

• You have at least seven land cards in your graveyard.
• You have a land card in hand.
• You have a basic land card either in hand or in your graveyard.

Steps

1. 1Cast Worm Harvest for its retrace cost by paying and discarding a land card from your hand, creating at least eight 1/1 Worm creature tokens.
2. 2Activate Phyrexian Altar seven times by sacrificing seven Worm tokens, adding .
3. 3Activate Groundskeeper by paying , returning a basic land card to your hand from your graveyard.
4. 4Repeat.

Effects

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