In Avacyn Restored , we tried a mechanic called forbidden where cards could be shuffled into your deck, and in Kaladesh , we experimented with a mechanic called invention where you pull in artifact cards from outside the game to your hand
When a creature you control dies, abandon this scheme
The loss animation is particularly interesting to me -- it looks almost like one of his gatherings becomes loose when he falls off of his stand
While in practice meld cars function somewhat like double-face cards, as far as the rules are concerned they do not, so any rules around transforming double-face cards dont apply here
However, even 151's best Pokmon cards don't live up to what, at first glance, looks like a fairly boring, run-of-the-mill Pokmon