Its kind of like having an Enduring Courage or Ogre Battledriver in the command zone, but Ardoz, Cobbler of War is cheaper and doesnt give haste
Fortunately for you and unfortunately for your opponents, because Blightsteel Colossus is indestructible, if they dont have an exile card, a creature 11 power or greater, or a horde of creature tokens with a total power of exactly 11, the game is done
Not only did it naturally double your mana, but it also gave you a guaranteed use for it
To build a Magic: The Gathering Arena deck, you'll need to collect all the cards necessary for the deck list (click on the images above each deck in our guide to see the cards you need), then navigate to the 'Decks' area in the game client, create a deck, and add all those cards to it