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! Tsuchinoko", Special Summon 1 "Danger! Tsuchinoko" from your hand, and if you do, draw 1 card. If this card is discarded: You can Special Summon this card. You can only use this effect of "Danger! Tsuchinoko" once per turn.