Casano, Luckblessed

When casting Casano Luckblessed roll a d6 for
his mana cost. If you choose not to pay it, he goes
to your graveyard.
When Casano Luckblessed enters the battlefield
roll 2d6. Pick one result for his power and one
for his toughness.
{g/w}{g/w}: Roll a d4. Flip a coin. If heads, put that
many +1/+1 counters on him. If tails, put that
many -1/-1 counters on him.