Groundskeeper + Phyrexian Altar + Worm Harvest

Mana needed: {2}{B/G}{B/G}{B/G}

BG identity

Commander legal

The 3 combo pieces

What must be in place

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.

How to execute it

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

What the combo produces