Discordant Dirge is a rare Enchantment card from Urza's Saga (USG), collector number 131. Current market price: $0.51, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may put a verse counter on this enchantment. {B}, Sacrifice this enchantment: Look at target opponent's hand and choose up to X cards from it, where X is the number of verse counters on this enchantment. That player discards those cards.