If you cast Ignite the Future from a graveyard, you may choose to cast each spell for its mana cost, an alternative cost, or without paying its mana cost
Once it has converted due to that triggered ability, the rest of the abilities will resolve and do nothing
if you do so, you get to put a 2/2 Black Zombie creature token onto the battlefield, tapped
The snow lands are by far the most important enablers for drafting the snow deck, as they sit quietly in your mana base giving you value you would never normally get from basic lands
Foretell cards and adventure spells work especially well with it, and its success in Duel Commander comes from how easily those let you trigger its damage ability again and again
Pair this guy with lots of card draw, and he provides a path to victory all by himself