Perhaps the most powerful extender that the Zombie-type has to offer is Mezuki, and it has been played at three copies per deck for years because of its ability to consistently enable frustrating endboards
If you have a Poisoned Pokemon or one thats nearly Knocked Out from its damage, this is a great way to reset it and then get it back into play unscathed
Maybe there are better tools for you out there, but if you just want to have a one-and-done graphics program, Photoshop should suit you just fine
If your Leader has multiple colors, then you can use cards of each color in your deck
They went from getting Arita to do exclusive art for the Thai packs, to this
Boommobile Cards that enter and generate mana are very exploitable in MTG, and Boommobile has lots of potential