The blacksmith shows you a selection within your price range
Embrace the Chaos:
Stormcutter: A longsword imbued with volatile lightning energies. On a critical hit, it unleashes a 1d6 chain lightning effect to nearby enemies. (Price: 350gp)
Prism's Wrath: A scimitar that shimmers with a rainbow's colors. When activated, it can cast a random 1st level illusion spell as a bonus action, potentially creating hilarious or bewildering situations. (Price: 400gp)
Gambler's Blade: A shortsword with two faces, each inscribed with a different rune. Rolling a d6 before attacking determines which rune activates: Fury (bonus damage) or Mishap (wild magic surge chance). (Price: 250gp)
Boost Spellcasting:
Wandblade: A quarterstaff that can channel spells, adding +1 to spell attack rolls and saving throws. Can also cast "Shocking Grasp" once per day. (Price: 450gp)
Arcane Focus Glaive: A glaive with a hilt inlaid with magical gems. Can be used as an arcane focus and grants advantage on concentration checks for evocation spells. (Price: 300gp)
Spellblade: A longsword etched with arcane runes. Can cast "Magic Missile" once per day and grants a +1 bonus to Charisma. (Price: 500gp)
Unique and Personalized:
Singing Wind: A rapier forged from the singing steel of a celestial bard. Grants advantage on Performance checks (instrumental) and whispers guidance to the wielder in chaotic winds. (Price: 400gp)
Memory Blade: A shortsword that absorbs the memories of those it slays. Can cast "Detect Thoughts" on a slain creature once per day and whispers their final words as omens or warnings. (Price: 350gp)
Dragonfang Dagger: A dagger crafted from the tooth of a young dragon. Inflicts an additional 1d4 acid damage and allows the wielder to speak Draconic (limited). (Price: 200gp)