Spire of the Final Spark

{t}{x}: Add X+1 {r} to your mana pool.
{r}{r}{r}: Spire of the Final Spark becomes a 3/3 Demon Elemental creature with your choice of Flying, Double Strike or Trample until end of turn.
{r}{r}{r}{r}{r}: Create a 3/3 Demon Elemental creature token with haste & trample. When Spire of the Final Spark becomes a creature or gains an ability that effect doesn't end. (this effect doesn't end)