Underworld Breach is a rare Enchantment card from Mystery Booster 2 (MB2), collector number 200. Current market price: $7.96 (foil $52.93), TCGplayer market prices via Scryfall.
Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice this enchantment.