Sleeves add an extra layer of protection and keep your cards looking fresh
Since this is a may ability, you only have to use it when it'll be a benefit to you
If one player can stick a Leyline, they almost definitely win, so you have to be able to fight over that, and if not, then its just about dredging more, faster, which largely just comes down to having a better draw
Ultron, Machine Overlord Thanos, Death's Consort M.O.D.O.K., Evil Intellect Absorbing Man and Titania Abomination, Irradiated Brute Loki, God of Lies LEGENDARY SCENES COME TO LIFEImmortalize epic conflicts and your favorite Marvel villains with cards that combine to reveal a full Marvel Super Heroes scene VILLAINS UNLEASHED The most dangerous and deadly adversaries of justice stand ready to run amok