Cheapest priced copy (The List): $5.99 at Card Kingdom, near mint, their price list as of .
Angelic Chorus 
Enchantment · Rare · Tenth Edition · #4
Whenever a creature you control enters, you gain life equal to its toughness.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $5.99 to $15.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 4 | Rare | $8.49 | $15.99 |
| Battlebond | 87 | Rare | $6.49 | $10.99 |
| The List | BBD-87 | Rare | $5.99 | — |
| Urza's Saga | 3 | Rare | $9.99 | — |
2 rulings from Wizards of the Coast
- 4 October 2004This does not trigger on a permanent being turned into a creature. That is just a permanent changing type, not something entering.
- 4 October 2004Angelic Chorus does not trigger when creatures phase in or change controllers.