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Picking them up wont break your bank but you are going to have a hard time moving these in quantity, unless theres a severe and unexpected surge.
Use cards like Nuclear Fallout if the opponent is getting ahead on board to reset and flood them with rad counters, then drop a gigantic Tarmogoyf which returns with its own Fallout theme in the form of the Scrounging Deathclaw
Not only that, Tempest, Dragon Ruler Of Storms can be used as a searcher as well, allowing you to get any Dragon Type Monster from your deck
This doesnt prevent you from playing them casually, but if you want to play in the Standard format, weve included notes in the relevant entries indicating which cards need to be replaced and suggested suitable alternatives