Most ethical people would try to only play with actual cards, of course, but if it becomes truly impossible to tell them apart in a tournament setting, the lines will start to blur
Uxie has the following attacks: Mind Boost - 20 damageTake a Psychic Energy from your Energy Zone and attach it to Mesprit or Azelf
Sycamore is maybe my favourite professor ever, and the raw gameplay of X and Y carry it for me
Since you get to choose what card you discard, you can get rid of a GX or EX Pokemon in your hand, so there's no risk of it getting knocked out on the Bench, and Mewtwo and Mew-GX can take advantage of its attacks
These little bandits only had a handful of cards printed for them before this MTG set, and their sightings are infrequent
Alongside that, you can also give Skithiryx, the Blight Dragon haste for one Black mana, and regenerate it for two Black mana