Cheapest priced copy (Commander Masters): $0.59 at Card Kingdom, near mint, their price list as of .
Archon of Sun's Grace 
Creature — Archon · 3/4 · Rare · Theros Beyond Death · #3
Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Pegasus creatures you control have lifelink.
Constellation — Whenever an enchantment you control enters, create a 2/2 white Pegasus creature token with flying.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
9 printings · $0.59 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Masters | 814 | Rare | $0.59 | — |
| Jumpstart 2022 | 151 | Rare | $0.59 | — |
| Foundations Jumpstart | 167 | Rare | $0.59 | — |
| Theros Beyond Death Promos | 3p | Rare | $2.29 | $1.99 |
| Theros Beyond Death Promos | 3s | Rare | — | $2.99 |
| Secrets of Strixhaven Commander | 137 | Rare | $0.59 | — |
| Theros Beyond Death | 3 | Rare | $0.59 | $1.49 |
| Theros Beyond Death | 298 | Rare | $4.49 | $10.99 |
| Wilds of Eldraine Commander | 61 | Rare | $0.59 | — |
3 rulings from Wizards of the Coast
- 24 January 2020Multiple instances of lifelink on the same creature are redundant.
- 24 January 2020A constellation ability triggers whenever an enchantment enters the battlefield under your control for any reason. Enchantments with other card types, such as enchantment creatures, will also cause constellation abilities to trigger.
- 24 January 2020An Aura spell that has an illegal target when it tries to resolve doesn't resolve and is instead put into its owner's graveyard. It doesn't enter the battlefield, so constellation abilities don't trigger.