Industrial Advancement (Promo Pack) [Streets of New Capenna Commander Promos]Set: Streets of New Capenna Commander Promos Type: Enchantment Rarity: Rare Cost: {3}{R} At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, where X is that creature's mana value. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.