Skyray Barrage

{t}{x}: Pay X mana and choose one of the
following effects:
- {2}: Deal 1 damage to 6 different creatures.
- {4}: Deal 2 damage to 3 different creatures.
- {6}: Deal 3 damage to 2 different creatures.
{dash} {8}: Deal 6 damage to 1 creature.
This Enchantment does not untap on your next
upkeep phase.