its capable of ending games as early as turn two because of how absurd the value can get, as long as you build in ways to break it
First of all I would make sure and have Tangrowth Lv
But for those looking for condensed advice: the ingredients of truly fierce competitive decks are infinite combo pieces, tutors to find them quickly, resource acceleration (mana rocks) to cast all those cards faster, and cheap interaction to stop opposing combos developing
PSA 10 examples of 1st edition Gyarados cards sell between $7,000-$9,000, while PSA 9s fetch $1,000 on average
Let us know what your favorite artifact support card is in the comments or on the Draftsim Discord
You see, Painful Truths can act just like Ancient Craving for one less mana, as long as you spend black and 2 other colors on it