Last Laugh + Sprouting Phytohydra + Ashnod's Altar

Last Laugh
Sprouting Phytohydra
Ashnod's Altar

Requires
Last Laugh must be on the battlefield. Sprouting Phytohydra must be on the battlefield. Ashnod's Altar must be on the battlefield. You control at least one additional creature. You have the highest life total.
Steps
  1. Activate Ashnod's Altar by sacrificing another creature, adding .
  2. The creature dies, triggering Last Laugh, dealing 1 damage to each creature and each player.
  3. Sprouting Phytohydra triggers, creating a token copy of itself.
  4. Activate Ashnod's Altar by sacrificing the damaged Sprouting Phytohydra, adding .
  5. Repeat from step 2.
Results
Near-infinite colorless mana. Near-infinite damage. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.