There's been a surprising amount of red ramp recently, so playing this six drop ahead of the curve and refilling your hand is distinctly possible - with some counterspell protection from Cavern of Souls, of course
That said, the deck has 25 new-to-Magic cards to make up the difference, so all it takes is a few monetary hits from among those to give it a pass on value
Packsmay include an "Expedition," a rare, specially foil treated reprint of popular lands from Magic's history like Hallowed Fountain, Wasteland, Verdant Catacombs, and many more
It can be sacrificed at any time so long as you have mana, allowing it to be used to get an extra draw in a pinch
For example, if the revealed card is a noncreature artifact card and March of the Machines (an enchantment with "Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value.") is on the battlefield, it won't be turned face up
This is a design error discovered fairly late in the process