When Sparring Regimen enters the battlefield, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) Whenever you attack, put a +1/+1 counter on target attacking creature and untap it.
Near Mint - $0.95
Lightly Played - $0.90
Moderately Played - $0.71
Heavily Played - $0.57
Damaged - $0.38
Near Mint Non-English - $0.95
Lightly Played Non-English - $0.90
Moderately Played Non-English - $0.71
Heavily Played Non-English - $0.57
Damaged Non-English - $0.38
Foil Prices
Near Mint Foil - $0.95
Lightly Played Foil - $0.90
Moderately Played Foil - $0.71
Heavily Played Foil - $0.57
Damaged Foil - $0.38
Near Mint Foil Non-English - $0.95
Lightly Played Foil Non-English - $0.90
Moderately Played Foil Non-English - $0.71
Heavily Played Foil Non-English - $0.57
Damaged Foil Non-English - $0.38