You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.
Near Mint - $7.50
Lightly Played - $7.00
Moderately Played - $6.00
Heavily Played - $4.50
Damaged - $3.75
Near Mint Non-English - $7.50
Lightly Played Non-English - $7.00
Moderately Played Non-English - $6.00
Heavily Played Non-English - $4.50
Damaged Non-English - $3.75