| Name | Cost | Price |
|---|---|---|
| Krosan Tusker | $0.12 | |
| Krosan Verge | $0.21 | |
| Krosan Warchief | $0.35 | |
| Krosan Wayfarer | $0.51 | |
| Kros, Defense Contractor | $0.43 | |
| Krovikan Mist | $0.26 | |
| Krovikan Rot | $0.15 | |
| Kroxa and Kunoros | $0.34 | |
| Kroxa, Titan of Death's Hunger | $2.32 | |
| K'rrik, Son of Yawgmoth | $0.82 | |
| Kruin Outlaw // Terror of Kruin Pass | $0.41 | |
| Kruin Striker | $0.09 | |
| Kruphix, God of Horizons | $3.30 | |
| Kudo, King Among Bears | $0.36 | |
| Kuja, Genome Sorcerer // Trance Kuja, Fate Defied | $1.63 | |
| Kuldotha Flamefiend | $0.06 | |
| Kuldotha Phoenix | — | |
| Kuldotha Rebirth | $0.33 | |
| Kuldotha Ringleader | $0.06 | |
| Kulrath Knight | $1.15 | |
| Kulrath Mystic | $0.04 | |
| Kulrath Zealot | $0.14 | |
| Kumano Faces Kakkazan // Etching of Kumano | $0.25 | |
| Kumano's Blessing | $0.12 |