悪魔の工房
If the number of cards you've gained this turn is:
2+, gain an Imp;
1, gain a card costing up to 4 Coin;
0, gain a Gold.
Devil's Workshop is a Night card from Nocturne. It's a gainer whose effect is determined by how many cards you've previously gained that turn, either gaining you a Gold, a card costing up to 4 Coin, or an Imp.