Herd Baloth + Phyrexian Altar + Tarrian's Soulcleaver

G identity

Commander legal

The 3 combo pieces

What must be in place

You have a way to put a +1/+1 counter on Herd Baloth.

How to execute it

  1. Put a +1/+1 counter on Herd Baloth.
  2. Herd Baloth triggers, creating a 4/4 Beast creature token.
  3. Activate Phyrexian Altar by sacrificing the Beast, adding one mana of any color.
  4. When the Beast dies, Tarrian's Soulcleaver triggers, putting a +1/+1 counter on Herd Baloth.
  5. Repeat from step 2.

What the combo produces