The Psychic Duelist [SBCB-ENS05] Common

Activate 1 of the following Skills during your Main Phase, by paying half your LP.
• Target 1 Set card in your opponent's Spell & Trap Zone and declare 1 type (Monster, Spell or Trap), then reveal the face-down card, and if it is the declared card type, it cannot be activated this turn.
• Randomly select 1 card in your opponent's hand and declare 1 type (Monster, Spell or Trap), then reveal that card, and if it is the declared type, inflict 500 damage to your opponent.
Each of these Skills can only be used once per Duel.