Planeswalker's Fury is a rare Enchantment card from Planeshift (PLS), collector number 70. Current market price: $0.33 (foil $6.75), TCGplayer market prices via Scryfall.
{3}{R}: Target opponent reveals a card at random from their hand. This enchantment deals damage equal to that card's mana value to that player. Activate only as a sorcery.