Laconis Il-Sir, All Mighty

Flash
Whenever Laconis il-sir, All Mighty enters the battlefield counter target spell.
Whenever you cast a spell with even converted
mana cost you may counter target spell with odd
converted mana cost.
Whenever you cast a spell with odd converted
mana cost, you may counter target spell with
even converted mana cost. (0 is even.)
Whenever you've successfully counter a spell,
draw a card.