Lavinia, Azorius Renegade | Legendary Creature | Human Soldier | 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. | Steven Belledin
1.0 LSV
Biomancer's Familiar | Creature | Mutant | Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it. | Izzy
2.5 LSV