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.
whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
<em>"i told jace that ravnica would fall apart if he didn't take his responsibilities seriously. i didn't want to be right."</em>
