Terrible Lizards

When Terrible Lizards becomes tapped, you may pay {6}. If you do, Terrible Lizards deals
3 damage to each creature and each player. Exile the top three cards of your libary, until
end of turn, you may play those cards.
{1}, {t}: Add {r}. Terrible Lizards deals 1
damage to any target and 1 damage to you.