You can use that to sort your cards and make it easier for our computers to render them since there are so many :) I'll have to take a look at this once I have a chance to actually sit down, I'm excited
Theyre most commonly used for casual play, playtesting, and formats like Commander or Cubeespecially when you want to try a deck before buying expensive cards (or when youd rather not shuffle your rent payment)
If it can be done in Magic, you can probably do it with artifacts
Mox Amber Yeah, its a Mox, but Mox Amber is part of the balanced Moxes that were deliberately made trickier to use so as to not make them auto-includes
If it lands on Heads, the attack proceeds
Note that this logo is the mythic-rare-colored version on all these cards and is independent of the card's actual rarity