Advanced format ruling
Ominous Fortunetelling
Card effect (current official text)During your Standby Phase, select 1 random card from your opponent's hand. Call the type of card (Monster, Spell, or Trap). If you call it right, inflict 700 points of damage to your opponent's Life Points. You can use this effect only once per turn.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.