If that permanent had mana value 3 or less, proliferate
Pyramid of the Pantheon: Hey, look, its a build-your-own Gilded Lotus
Non-serialized versions of Traveling Chocobo are mechanically identical to serialized variants
Generally approaching people at a store or convention hall with "Hey, do you have trades?", "Hey, can I take a look at your binder?", or if you're looking for a specific card "Hey, do you have [specific card] for trade?" should be enough to get started
The original marketing posited players as the planeswalkers, with their deckscalled librariesserving as a compendium of spells theyd learned and fearsome creatures they could summon
And you have a few Zombies you can toss in as a few adjuncts to your strategy like Gray Merchant of Asphodel, Cackling Fiend, Fleshbag Marauder, Sidisi, Undead Vizier, and Custodi Lich, all great Zombies with strong abilities for multiplayer already built in, without really committing to a Zombie theme