Cheapest priced copy (Magic 2012): $0.49 at Card Kingdom, near mint, their price list as of .
Aegis Angel 
Creature — Angel · 5/5 · Rare · Magic 2012 · #1
Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature enters, another target permanent gains indestructible for as long as you control this creature. (Effects that say "destroy" don't destroy it. A creature with indestructible can't be destroyed by damage.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Archenemy: Nicol Bolas | 1 | Rare | $0.79 | — |
| Magic 2012 | 1 | Rare | $0.49 | $0.49 |
| Magic 2015 | 270 | Rare | $0.59 | — |
| Magic Origins | 273 | Rare | $0.59 | — |
| Welcome Deck 2016 | 1 | Rare | $0.59 | — |
3 rulings from Wizards of the Coast
- 22 September 2011If Aegis Angel and the permanent would be destroyed simultaneously, only Aegis Angel will be destroyed.
- 22 September 2011If Aegis Angel leaves the battlefield, you no longer control it.
- 1 July 2013If another player gains control of Aegis Angel, the permanent will no longer have indestructible, even if you regain control of Aegis Angel.