Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
"I told Jace that Ravnica would fall apart if he didn't take his responsibilities seriously. I didn't want to be right."
Near Mint - £0.60
Lightly Played - £0.50
Moderately Played - £0.40
Heavily Played - £0.30
Damaged - £0.20
Near Mint Non English - £0.60
Lightly Played Non English - £0.50
Moderately Played Non English - £0.40
Heavily Played Non English - £0.30
Damaged Non English - £0.20
Foil Prices
Near Mint Foil - £2.50
Lightly Played Foil - £2.10
Moderately Played Foil - £1.80
Heavily Played Foil - £1.30
Damaged Foil - £0.80
Near Mint Foil Non English - £2.50
Lightly Played Foil Non English - £2.10
Moderately Played Foil Non English - £1.80
Heavily Played Foil Non English - £1.30
Damaged Foil Non English - £0.80