Heaven's Gate to the Infinite

This enters the battlefield tapped
Hexproof, Indestructible
{t}: Add one mana of any color, use this mana
only to cast a phoenix
{r}{r}{r}{w}{w}{w},{t}: create five 2/2 phoenix knights
with flying and defender named Gate Gaurds
"The tyranny of the phoenix lords are over, now to
put the creator to an eternal rest." — Astrea