Minae, Disciple of Lightning

Flash, Tribute 3
When Minae enters the battlefield, if its tribute cost was paid, it deals 5 damage to target creature or planeswalker.
When Minae enters the battlefield, if its tribute cost wasn't paid, search target oppenents library for up to three cards and remove them from the game, then that player shuffles his or her library.
"Keranos taught me both aspects of the lightning. Which one do you want against you?"