Cheapest priced copy (Amonkhet): $0.35 at Card Kingdom, near mint, their price list as of .
Seraph of the Suns 
Creature — Angel · 4/4 · Uncommon · Amonkhet · #28
Flying
Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it still dies.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper