The symbols color shows the cards rarity: Black or White: Common Silver: Uncommon Gold: Rare Red-Orange: Mythic Rare Cards from before 1998 might not have colored expansion symbols
(2) If this card on the field is destroyed by battle or card effect: You can target 1 Fiend monster in your GY, except Hakaishin Arba
Even better, all your artifacts become little mana rocks that help you to cast spells from unusual places
Modern Krark-Clan Ironworks Krark-Clan Ironworks (KCI) was a meta-defining card in Modern, producing infinites for artifact decks just as easily as youd imagine for a card thats basically a mirror image of Ashnod's Altar
Note that any mill that your opponents would do is doubled, even if it comes from another source
Here's a quick look at some of what's to come: As a Masters set, Commander Masters is comprised of both reprints as well as new, powerful cards