Clues then became a major theme of Murders at Karlov Manor , where Clues and investigating show up on a wide range of cards (including artifact lands and equipment that are Clues) and were central to one of the Commander precons, Deep Clue Sea , which is literally described as Clue Tokens / Card Advantage on the box
That said, cards that make tons of mana on impact have a history of getting banned in MTG formats
For a very solid and highly detailed look at this aspect of MTG collecting, I recommend this fantastic article by Guo Heng Chin
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It kills the majority of creatures you play against and is easy to Revolt with Fetchlands around
This white creature is fantastic for token decks as both a source of tokens and a massive anthem