Steam Vents (Guilds of Ravnica Promos 257p/84) — market price $12.97, unchanged this week. Weekly price history, its performance against the rest of the set, and today's prices at each marketplace. Prices are market estimates, not investment advice.
| Week | Price |
|---|---|
| 2026-W40 | $12.97 |
| 2026-W39 | $12.97 |
| 2026-W38 | $12.97 |
| 2026-W37 | $13.00 |
| 2026-W36 | $13.00 |
| 2026-W35 | $13.08 |
| 2026-W34 | $13.19 |
| 2026-W33 | $13.21 |
| 2026-W32 | $13.16 |
| 2026-W31 | $14.69 |