To this day, Delver defines and shapes formats as an efficient and effective early threat with incredible synergies with other tempo-oriented cards
Goblin Welder and Goblin Engineer do the same, although Goblin Engineer is limited to artifacts that cost three or less
destroy as many monsters your opponent controls with lower ATK as possible, then you can discard your entire hand, and if you do, inflict damage to your opponent equal to the destroyed monsters total original ATK, also the targeted monster cannot attack this turn
The key special rule is that you cannot have any cards in your Extra Deck, with all Fusion, Synchro, Xyz and Link Monsters being Forbidden
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Although Noble Hierarch doesnt give you access to all five colors, or have flying, like Birds of Paradise it does have exalted