Doubling counterspells is also fantastic, making it hard for your opponents to counter back without Flusterstorm
For example, sacrificing a creature to activate a card like Viscera Seer will not generate an additional trigger from Teysas ability
Cost reduction will allow you to get cards like Karametra, God of Harvests, Reki, the History of Kamigawa, and Gandalf the White out early in order to capitalize on their ramp, draw, and synergy
Wing Shredder Color Indicator: Green Creature Werewolf Reach Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) Her hunger wont be sated until shes tasted every bird on Innistrad
The +1 is the very definition of a do-nothing ability, unless you can reliably reach his ultimate
it looks too low-impact for Commander