Yedora, Grave Gardener, Primordial Mist, and Phyrexian Altar

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Primordial Mist on the battlefield
• Phyrexian Altar on the battlefield
• You control a nontoken creature that can be cast using and one colored mana

Steps

1. Activate Phyrexian Altar by sacrificing the creature, adding one mana of any color
2. When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face-down as a Forest land
3. Activate the creature by tapping it, adding
4. Activate Primordial Mist by exiling the creature face-up, allowing you to play the creature from exile this turn
5. Cast the creature from exile by paying its mana cost
6. Repeat
7. If the creature can be cast using one or less mana, this combo nets infinite mana

Results

• Infinite colored mana
• Infinite death triggers
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count