Dogmeat, Ever Loyal + Gift of Immortality + Mana Matrix + Phyrexian Altar

RGW identity

Commander legal

The 4 combo pieces

What must be in place

Gift of Immortality attached to Dogmeat.

How to execute it

  1. Activate Phyrexian Altar by sacrificing Dogmeat, adding {W}.
  2. When Dogmeat dies, Gift of Immortality triggers, returning Dogmeat to the battlefield from your graveyard.
  3. When Dogmeat enters the battlefield, its first ability triggers, causing you to mill five cards and return Gift of Immortality to your hand from your graveyard.
  4. Cast Gift of Immortality by paying {W} due to Mana Matrix, attaching it to Dogmeat.
  5. Repeat.

What the combo produces