Set Code: EOE Click on any card to see more graded card prices, historic prices, and past sales
And the white angel gives equipped creatures indestructible on your turn - she's called Zamriel, Seraph of Steel
Ideally youd like to pass this between yourself and another player, but I could see games where your opponents just play keep away with your commander for much of the game while drawing a bunch of extra cards, which seems like a pretty big downside that you could mitigate to some degree with cards like Homeward Path and Sword of Hearth and Home
Delayed Blast Fireball is $15, and Fierce Guardianship is the most expensive MTG card I can remember seeing in a Secret Lair, a $40 card that Commander players love
Her ability isnt limited to noncreature spells, either, so Flashing in an Orcish Bowmasters or Opposition Agent will get you experience too