As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifact creature with defender in addition to its other types. (A creature with defender can't attack.)
NM-Mint - $3.70
Lightly Played - $3.30
Moderately Played - $3.00
Heavily Played - $2.60
Damaged - $1.90
NM-Mint Non English - $3.70
Lightly Played Non English - $3.30
Moderately Played Non English - $3.00
Heavily Played Non English - $2.60
Damaged Non English - $1.90