In both GRN and WAR, a removal spell can reduce all of your work to naught, leaving you multiple cards behind and with a lackluster board presence
Banned in Pioneer/Explorer and even restricted in Vintage, Karn, the Great Creator is one of the best planeswalkers you can play for four mana
It cant be blocked by smaller creatures, so enlisting with it can help you drive a few extra points of damage through without worrying about chump blockers
You can recur most of your combo pieces with Teshar or one of the retrieving creatures, and some of the available combo pieces can perform double duty as protection, too
This first Collector's Guide tells the story behind the game of sets 1-4 of the popular trading card game
Then theres the rest of the original Kingdom Hearts characters, which could all just be Storyborn, since their world-hopping adventures are already considered canon to the overall Disney universe