Danger! Thunderbird!

Flying
Danger{4}(You can reveal this card in your hand; your opponent chooses 1 card from your entire hand at random, then you discard the chosen card. if the discarded card was not Danger! Thunderbird!, you may sacrifice a permanent you control then cast Danger! Thunderbird! without paying its mana cost, and if you do, draw a card.)

If Danger! Nessie! is discarded:You may target a creature card a opponent controls; exile it.