Rookie Mistake (66) (M21)
| Rarity: | C |
| #: | 66 |
| Creature Type or Sub Type: | Instant |
| Rules Text Contains: | Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0. |
| Flavor: | “Stop locking your knees as you strike! Now stand up and try again." |
| Set: | Core Set 2021 |
| Number: | 66 |
| Colors: | U |