Sszdor Merchants:

At the start of each session, a d20 is rolled, and the wielder gains the effects of the below roll: Additionally, if this artifact is ever lost, it may be recovered by spending $1000 (Per Era). This artifact may be upgraded into a Mythical artifact by sacrificing $35,000 (Per Era) into them. ($0/$70,000) 1: Lose $250 (Per Era) 2-8: Nothing happens 9-15: Gain $125 (Per Era) 16-19: Gain $200 (Per Era) 20: Gain a random artifact, according to the following ratios (65% Mundane, 30% Good, 5% Great)