Burning of the Lotus Tree

As an additional cost to cast this spell, sacrifice a
card named Great Lotus Tree. You can only cast
this card if you have cast 3 or more artifacts containing the word Lotus this turn. When
Burning of the Lotus Tree enters the battlefield,
it deals 10 damage to every target. At the
beginning of each of your opponents upkeep,
Burning of the Lotus Tree deals 5 damage to
them.