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 Foil - £0.50
Lightly Played Foil - £0.50
Moderately Played Foil - £0.40
Heavily Played Foil - £0.30
Damaged Foil - £0.20
Near Mint Foil Non English - £0.50
Lightly Played Foil Non English - £0.50
Moderately Played Foil Non English - £0.40
Heavily Played Foil Non English - £0.30
Damaged Foil Non English - £0.20