+1: Reveal your hand. Each opponent loses 1 life for each artifact card among them. You gain that much life.
0: Chromium gains Hexproof and Indestructible until end of turn. Creatures cannot attack him.
-1: Create a colorless Construct artifact creature token with power and toughness equal to the number of artifacts you control
-X: Each player discards X cards, and you create those many colorless Treasure artifact tokens.