Ashnod's Altar + Pentavus + Rosie Cotton of South Lane

Mana needed: {1}

W identity

Commander legal

The 3 combo pieces

What must be in place

Pentavus has at least two +1/+1 counters on it.

How to execute it

  1. Activate Pentavus' first ability by paying {1} and removing a +1/+1 counter from it, creating a 1/1 Pentavite creature token.
  2. Rosie triggers, putting a +1/+1 counter on Pentavus.
  3. Activate Ashnod's Altar by sacrificing the Pentavite, adding {C}{C}.
  4. Repeat.
  5. Once you have infinite mana, you may forego sacrificing the Pentavite tokens.

What the combo produces