In general, Ace Specs cards are great to have on hand
Voyager Quickwelder, an artifact itself, keeps your board developing efficiently, while Gearseeker Serpent can hit the battlefield at a steep discount
If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature
This style plays with colors and shapes wonderfully, making these cards a delight to have on the table
Teysa, Opulent Oligarch The guildmaster of the Orzhov Syndicate and the wealthiest individual on Ravnica by far, Teysa usurped the position of guildmaster from Kaya, using an archaic law that charged Kaya with dereliction of duty in the guild's time of need
On the other hand, if you fetch basics, you may be left with more spells of a certain color than you have mana for, and thus unable to maximize your mana