The inexpensive payment of a single mana for putting a +1/+1 counter on Isu means we can get some commander damage kill action going
Different designers have their favorite kinds of abilities, and one of the things Aaron really enjoys is modal effects
Among commons, Pactdoll Terror shines brightest in blue-black, counting as an artifact to fuel Haunt the Networks drain effect while adding additional drains when the Thopters enter the battlefield
Boseiju is the most popular of these lands, but Otawara, Soaring City is also rather popular, even seeing play in Legacy
His enter the battlefield trigger hits cards in the hand, his attack trigger affects the library directly and his dies trigger will remove half the permanents from one unlucky opponent's battlefield
Roc of Kher Ridges (1): I cant really remember if I had two of these or two of the next card because of the similar name