This includes trying to cast two spells on the turn they leave up Absorb, playing around Supreme Verdict by timing your Kumano Faces Kakkazan well, and not attacking with your Hazoret the Fervent into The Wandering Emperor
Your opponent discards a card per turn, or you can have a 3/5 to block with
If an effect allows you to pay an alternative cost rather than a spell's mana cost, you may pay that alternative cost when you jump-start a spell
For a quick comparison, right now the showcase version of Gandalf the White is selling for over 30$, the foil showcase version is around 70$, and the normal version is listed at just shy of 20$
This included having 4 Ultra Rare and 7 Super Rare cards in the set, following the Core Booster color pattern, having cards printed with more than one rarity, namely Ultimate Rare