Upon release, this set sold over $200,000,000 of product, and it hardly stopped there
I like playing the same deck for a long time, having done so with Elves and Maverick in Legacy, U/W Delver and Mono-Blue Devotion in Standard, and Birthing Pod in Modern, but with the exception of Mono-Blue Devotion, the rest of those decks existed in formats that changed around them, creating new challenges to face and new puzzles to solve, even if my tools remained largely unchanged
Why its a contender: This is the most efficient card-drawing spell ever printed, providing a massive resource advantage for a single mana
Magic Online serves competitive players needing complete card pools for testing
Arena Tutor On the other hand, Arena Tutor does everything for you once you have it installed and logs are enabled