The answer isn't simple at all sadly
We have purchased thousands upon thousands of collections and bought and sold over 50 MILLION dollars in cards
7 Flame Of Anor Flame of Anor is one of the set's best instant cards, and it works well with the Wizard tribe, which is perfect for blue mana
Sephiroth, Fabled SOLDIER / Sephiroth, One-Winged Angel Sephiroth, Fabled SOLDIER is one of the most popular black commanders, with over 10k lists posted online
The Staple: Stoneforge Mystic ($59.99) Stoneforge Mystic, having returned from exile on Moderns ban list, has consistently increased in price over the past few years
Thats the basic idea, but of course, there are a few notes to keep in mind: You may only cast a spell whose total mana value is less than or equal to the discover number