When you set this scheme in motion, you may pay {X}. If you do, put each nonland permanent target player controls with mana value X or less on the bottom of its owner's library.
Near Mint - $2.50
Lightly Played - $2.25
Moderately Played - $2.00
Heavily Played - $1.50
Damaged - $1.00
Near Mint Non-English - $2.50
Lightly Played Non-English - $2.25
Moderately Played Non-English - $2.00
Heavily Played Non-English - $1.50
Damaged Non-English - $1.00