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 - £4.00
Lightly Played - £3.40
Moderately Played - £2.80
Heavily Played - £2.00
Damaged - £1.20
Near Mint Non English - £4.00
Lightly Played Non English - £3.40
Moderately Played Non English - £2.80
Heavily Played Non English - £2.00
Damaged Non English - £1.20