Sheila queen of dragons

When Sheila Queen of dragons enters the battlefield create a 5/5 R/G dragon with
haste and flying
{2}{g}: make a 2/2 green elf with vigilance
{4}{r}: make a 5/5 red dragon with flying
6{r}{g}: make a legendary 8/8 R/G dragon
named Kaskill king of dragons that has
flying and haste.