Flames of Sacrilege

Trap {1} (You may pay this card's Trap cost in addition to any other costs to cast it. If you do, it enters the battlefield face down as an Enchantment with "Flip this card face up at any time.")
Flames of Sacrilege deals 4 damage to target creature and 1 damage to that creature's controller. If Flames of Sacrilege was flipped face up during combat, it destroys target creature and deals 2 damage to that creature's controller instead.