From the Vault: Annihilation

Burning of Xinye

You destroy four lands you control, then target opponent destroys four lands he or she controls. Then Burning of Xinye deals 4 damage to each creature.

You destroy four lands you control, then target opponent destroys four lands they control. Then Burning of Xinye deals 4 damage to each creature.

Vintage Masters

Masters Edition III

Each player sacrifices four lands. Burning of Xinye deals 4 damage to each creature.

Portal Three Kingdoms

You destroy four of your lands and your opponent destroys four of his or her lands. Then Burning of Xinye deals 4 damage to each creature. (This includes your creatures.)