The planeswalker sees a significant amount of gameplay in the MTG Standard format
It is the centerpiece of the Arceus VSTAR deck, which has recently seen a revival due to the release of Pidgeot ex in Obsidian Flames
This meant that I approached card design the same way I approached writing a story
Wow, that's one way to cast those big dragons turn 5 or 6
Mark Rosewater broke down the full contents in both his Comic-Con panel and this follow-up article, but heres a brief overview of what you can expect: 1 art card from Zendikar Rising (81 total) 1 basic land card (can be foil) 6 commons and uncommons that are thematically related 1 showcase or other alt-art card 2 wildcards of any rarity 1 rare/mythic rare card 1 foil card 1 token, ad card, or a card from The List The List is a collection of 300 cards from Magic s history that replace the token or ad card in 25% of Zendikar Rising Set Boosters
Except for the listed exceptions, Malleable Impostor copies exactly what was printed on the original permanent and nothing more (unless that permanent is itself copying something or is a token