Planeswalker's Scorn

Enchantment, 2B (3)
{3}{B}: Target opponent reveals a card at random in his or her hand. Target creature gets -X/-X until end of turn, where X is the revealed card's converted mana cost. Play this ability only any time you could play a sorcery.¹
Illus. Glen Angus

Crystal Keep Rulings Summaries

• If the opponent has no cards in hand, then X is zero. [Planeshift FAQ 2001/01/26]
• Note - Also see Converted Mana Cost, Rule G3.29.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Planeshift (Rare)