Cheapest priced copy (Zendikar Rising): $0.59 at Card Kingdom, near mint, their price list as of .
Legion Angel 
Creature — Angel Warrior · 4/3 · Rare · Zendikar Rising · #23
Flying
When this creature enters, you may reveal a card you own named Legion Angel from outside the game and put it into your hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Zendikar Rising Promos | 23p | Rare | $1.29 | $3.49 |
| Zendikar Rising Promos | 23s | Rare | — | $1.79 |
| Zendikar Rising | 23 | Rare | $0.59 | $0.49 |
| Zendikar Rising | 318 | Rare | $0.99 | $0.99Out of stock |
2 rulings from Wizards of the Coast
- 25 September 2020In a casual game, a card you choose from outside the game comes from your personal collection. In a tournament event, a card you choose from outside the game must come from your sideboard. You may look at your sideboard any time.
- 25 September 2020In a casual game, you may find a Legion Angel outside the game even if your deck contains already four copies of Legion Angel. In a Constructed tournament event, you can't have more than four copies of Legion Angel between your deck and sideboard.