Requires

Saw in Half must be in hand. Cabal Ritual must be in hand. Eternal Witness must be on the battlefield. You have at least seven cards in your graveyard. Mana needed:

Steps

1. Cast Cabal Ritual by paying , adding .
2. Cast Saw in Half by paying , destroying Eternal Witness and creating two token copies of it with base power equal to half the destroyed creature's power and base toughness equal to half the destroyed creature's toughness, rounding up each time.
3. When the Eternal Witness tokens enter the battlefield, they trigger, returning Saw in Half and Cabal Ritual from your graveyard to your hand.
4. Repeat.

Results