Aeyo, Aether Harvester

{t}: Draw a card, then exile a card from your hand.
{t}: Reveal any number of cards from your hand with different converted mana costs. Aeyo, Aether Harvester deals damage equal to the total number of cards revealed this way to any target. Activate this ability only if you have exiled three or more cards from your hand with Aeyo, Aether Harvester.