Arzaria, Wyvern's Break

Arzaria, Wyvern's Break comes into play tapped
unless an opponent controls a dragon.
{t}: Add {w}, {r}, or {g} to your mana pool.
{r}, {t}: Create a 2/2 red Dragon Knight creature
token.
"The walls of Arzaria, no better place for the Dragon Knights to stand against the winged terrors from the
south." — Notes from Seranox's journal