Cheapest priced copy (Modern Horizons): $0.59 at Card Kingdom, near mint, their price list as of .
Etchings of the Chosen 
Enchantment · Uncommon · The Lost Caverns of Ixalan Commander · #269
As this enchantment enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.59 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 1 Timeshifts | 25 | Uncommon | — | $1.29 |
| The Lost Caverns of Ixalan Commander | 269 | Uncommon | $0.79 | — |
| Modern Horizons | 198 | Uncommon | $0.59 | $1.99 |
2 rulings from Wizards of the Coast
- 14 June 2019You must choose an existing creature type, such as Sliver or Warrior. Card types such as artifact, and supertypes such as legendary or snow, can't be chosen.
- 14 June 2019The last ability of Etchings of the Chosen can target any creature you control, not just one of the chosen type.