Decks that are capable of cheating Summon: Bahamut into play in some capacity, like those built around Anikthea, Hand of Erebos, are elite homes for this card
Introduction to Utopia Introduction Originally piloted by Yuma in Yu-Gi-Oh
Even still, the ability to swap any artifact token (be it Treasure, Blood, Clue or Map) for a Blightsteel Colossus, Sundering Titan or Inkwell Leviathan on turn two means that the Welder is still a tremendously powerful one-mana Goblin
Jace, Vryns Prodigy / Jace, Telepath Unbound While being mono-blue is somewhat limiting for deckbuilding options, Jace, Vryn's Prodigy offers great versatility
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Even if they are not, there's no assurance you're going to draw more than one a game unless you're playing with Intuition