First, it pushes us into three or four colors, and while cheating creatures into play with Collected Company helps, we often wouldn't have the right colors of mana to level up our creatures
Teval, the Balanced Scale One generic, one black, one green, one blue legendary creature - Spirit Dragon - 4/4 - Mythic Rare Flying Whenever Teval attacks, mill three cards
And Professor of Zoomancy is a four-drop creature that creates a Pest token upon entering the battlefield
I recommend picking one and sticking with it so you can properly build around it
This iconic card was produced in three variations: Base Unlimited, Base Shadowless, and 1st Edition
This product might not appeal to those who have no interest in playing the game, but you can always give the deck to someone who plays and enjoys the packs and promo cards for yourself