At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
Near Mint - $11.40
Lightly Played - $9.70
Moderately Played - $6.90
Heavily Played - $4.60
Damaged - $2.30
Near Mint French - $11.40
Lightly Played French - $9.70
Moderately Played French - $6.90
Heavily Played French - $4.60
Damaged French - $2.30