Sunbeam Summoner

{x}{r}{r}{r}: Cast a creature spell with converted
mana cost X without paying its mana cost. Your opponents can't add spells or abilities to the stack
while this ability is on the stack. Activate this
ability only if Sunbeam Summoner is untapped.
{r}{r}{t}: Sunbeam fights target creature.
"AH! DRAGON, DRAGON RUN..." Boom,
Flash, Corpse.