Athreos, Shroud-Veiled + Denry Klin, Editor in Chief + Phyrexian Altar

WUB identity

Commander legal

The 3 combo pieces

What must be in place

Denry Klin and another nontoken creature you control each have a coin counter on them.

How to execute it

  1. Activate Phyrexian Altar by sacrifiing another nontoken creature with a coin counter on it, adding one mana of any color.
  2. When the creature dies, Athreos' third ability triggers, returning the creature from your graveyard to the battlefield.
  3. When the creature enters the battlefield, Denry Klin triggers, putting a coin counter on it.
  4. Repeat.

What the combo produces