As an additional cost to cast Harrow, sacrifice a land.
Search your library for up to two basic land cards and put them onto the battlefield. Then shuffle your library.
NM-Mint - $2.50
NM-Mint Non English - $2.50
Lightly Played - $2.40
Lightly Played Non English - $2.40
Moderately Played - $2.20
Moderately Played Non English - $2.20
Heavily Played - $2.00
Heavily Played Non English - $2.00
Damaged - $1.60
Damaged Non English - $1.60