| Set | Date | Rarity | Treatment | Price before | Day 1 | 30 days | 90 days |
|---|---|---|---|---|---|---|---|
| MAR #56 | 2025-09-26 | Mythic | Borderless | — | — | — | — |
| MAR #56 | 2025-09-26 | Mythic | Borderless | — | — | — | — |
| SPG #1 | 2024-08-02 | Rare | Borderless | $14.76 | $15.04 | $15.78 | $13.85 |
| SPG #1 | 2024-08-02 | Rare | Borderless | $20.28 | $20.38 | $20.40 | $17.45 |
| PW24 #2 | 2024-01-01 | Rare | Borderless | — | — | — | — |
| P30H #2★ | 2023-03-21 | Rare | Standard | — | — | — | — |
| P30H #2 | 2023-03-21 | Rare | Standard | — | — | — | — |
| 30A #62 | 2022-11-28 | Rare | Standard | — | — | — | — |
| 30A #359 | 2022-11-28 | Rare | Standard | — | — | — | — |
| J18 #6 | 2018-01-01 | Rare | Judge Promo | — | — | — | — |
| TSB #24 | 2006-10-06 | Special | Standard | — | — | — | — |
| TSB #24 | 2006-10-06 | Special | Standard | — | — | — | — |
| WC01 #ab83 | 2001-08-08 | Rare | Standard | — | — | — | — |
| 7ED #83 | 2001-04-11 | Rare | Standard | — | — | — | — |
| 7ED #83★ | 2001-04-11 | Rare | Standard | — | — | — | — |
| 6ED #79 | 1999-04-21 | Rare | Standard | — | — | — | — |
| PSUS #3 | 1999-01-01 | Rare | Standard | — | — | — | — |
| 5ED #100 | 1997-03-24 | Rare | Standard | — | — | — | — |
| 4ED #82 | 1995-04-01 | Rare | Standard | — | — | — | — |
| SUM #64 | 1994-06-21 | Rare | Standard | — | — | — | — |
| 3ED #64 | 1994-04-11 | Rare | Standard | — | — | — | — |
| CEI #63 | 1993-12-10 | Rare | Standard | — | — | — | — |
| CED #63 | 1993-12-10 | Rare | Standard | — | — | — | — |
| 2ED #63 | 1993-12-01 | Rare | Standard | — | — | — | — |
| LEB #63 | 1993-10-04 | Rare | Standard | — | — | — | — |
| LEA #62 | 1993-08-05 | Rare | Standard | — | — | — | — |
Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)