Danger!? Jackalope? [MP19-EN139] Prismatic Secret Rare

You can reveal this card in your hand; your opponent randomly chooses 1 card from your entire hand, then you discard the chosen card. Then, if the discarded card was not "Danger!? Jackalope?", Special Summon 1 "Danger!? Jackalope?" from your hand, and if you do, draw 1 card. If this card is discarded: You can Special Summon 1 "Danger!" monster from your Deck in Defense Position, except "Danger!? Jackalope?". You can only use this effect of "Danger!? Jackalope?" once per turn.