It can be attached to other creatures using its equip ability
He'll let you prevent all damage that would be dealt to a target creature with a +1/+1 counter on it, useful if you've already got Kyler handing out counters like there's no tomorrow
Pemmin's Aura is exactly that, combining with creatures that generate more than one colored mana to produce infinite resources to cast your spells: You'll see it in Commander decks like Zaxara, the Exemplary, who forms a nice two-card combo with it to help power out various monstrous X spells, and Kinnan, Bonder Prodigy, who helps you go infinite with any old Birds of Paradise
After much debate, we netted out on a trip to Houston, Texas
There just arent enough of them to warrant the use of a card like this, which essentially serves as a resilient Lord for the creature type
Red cards do enough with artifacts to make Krenko, Baron of Tin Street an interestingly intersectional red commander, combining artifact and goblin synergies into one package