2010-08-15 : Casting Demon of Death’s Gate by paying its alternative cost doesn’t change its mana cost or converted mana cost.

2010-08-15 : Casting Demon of Death’s Gate by paying its alternative cost doesn’t change when you can cast it. You can cast it only at the normal time you could cast a creature spell.

2010-08-15 : Effects that increase or reduce the cost to cast Demon of Death’s Gate will apply to it even if you choose to pay its alternative cost.