Shadowsun, Master of Kauyon

When this card enters the battlefield, you may find a
card named Kauyon in any zone and put it into your
hand.
You may play cards named "Kauyon" from exile.
{u}{1}: Counter target noncreature spell unless
its controller pays 1.
{r}{1}: Deal 3 damage to target attacking creature.
"Only together and with courage and
discipline shall we stand victorious."