Phyrexian Altar + Good-Fortune Unicorn
Produces: Infinite ETB, Infinite LTB, Infinite colored mana, Infinite death triggers, Infinite sacrifice triggers
- Color identity
- GW
Steps
- Activate Phyrexian Altar by sacrificing the persist creature.
- When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
- When the persist creature enters, Good-Fortune Unicorn triggers, putting a +1/+1 counter on the persist creature.
- Repeat