Theyre all clues for an associated ARG (Augmented Reality Game) that I will not be going into here, but long story short, its not a mistake
First, the deck casts creatures that synergize with your spells including Flamehold Grappler (copies a spell), Taigam (copies spells via suspend), Narset (card draw), Monastery Mentor (1/1 prowess tokens), and Jeskai Brushmaster (double strike, prowess)
How did the designers at Wizards of the Coast combine all of this to give us Magic: The Gathering FINAL FANTASY
SP Engine (Energy Gain, Pok Turn, Power Spray, Cyruss Conspiracy) Great cards for SP decks, otherwise not very splashable into other decks
Garruk, Unleasheds +1 loyalty ability gives a creature +3/+3 and trample, which forces your opponent to start using unwanted blockers or removal spells early
4) Artifact Lands This will probably be the most controversial card(s) on my list, but I thought it was an excellent solution to an interesting problem