For example, if you control Tangle Wire and an opponent taps an untapped creature they control as part of the resolution of Tangle Wire's triggered ability, Solitary Sanctuary's ability won't trigger
Sword of War and Peace Want to make your creatures even mightier
It's an expensive effect, but it will allow you to kill creatures in a pinch
I think Jirina is a bit better as a commander, but having access to both Trynn, Champion of Freedom and Silvar, Devourer of the Free is excellent
Goldberry, River-Daughter Goldberry, River-Daughter bucks the trend of counterspells and permission for a blue counter-based theme
Aurora is also strong, enabling you to Quest for two Lore while getting you ready to setup for a shift into Aurora Dreaming Guardian later