In the unusual case where Unwilling Vessel has +1/+1 counters on it and then receives an amount of -1/-1 counters that causes it to die, use the total number of counters that were on Unwilling Vessel when it died, including all of the +1/+1 and -1/-1 counters, to determine the value of X
It can also become a formidable attacker and lets us play our suspended spells at instant speed for an on-board trick
Of course, Avacyn draws a lot of attention
I love Sugimoris watercolor art
Either way, the aim of the game is to bring your opponents life down to 0
While there is some variance (super-low-curve aggressive decks might have slightly less, while decks built on ramping or other land synergies might have slightly more), probably 80% of all the Commander decks I build have 37 lands