Rookie Mistake
{U}
Instant
U
Lowest price · All printings
$0.21
Any condition · All stores · Oct 19, 2026
Market
—
Listings
16
1 printing · 8 stores
| Store | Printing | Finish | Cond. |
|---|
No listings match these filters.
Prices as of Oct 19, 2026 at 5 AM ET. Stock moves fast, so confirm on the store's page.
| Set code | Set | Rarity | Listings | Lowest today | |
|---|---|---|---|---|---|
 |
M21-66 | Core Set 2021 | Common | 16 | $0.21 |
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.