You can get in into play easily, either through reanimation or cards like Springleaf Parade that make your tokens into mana dorks
One day even Post Malone will come along and buy some cards on Mage - if you don't know who Post Malone is, he is a rapper, and also the guy that paid 1.57m for The One Ring
You get to suspend ridiculously mana-intensive cards and let your tablemates worry about what they'll do when those spells eventually get cast
This gives you a second chance to play even more cards in a turn, overwhelming your opponent with the sheer number of cards and resources available to you
Not only that, but any time you exert this card in play, you get to draw a card
It contains a legal Main Deck, Soul Deck, play surface, guide, counters and one booster pack