It extends its own purpose, as well as that of your excess lands (which is extra important for aggressive strategies)
As a hint, if you search using 'Public Deck Search' at the bottom of the 'DECK' menu, various recipes will appear, so I think it's good to use those as a reference
7 - Birds of Paradise Birds of Paradise adds redundancy to Timeless' wide range of mana dorks, which currently includes Deathrite Shaman, Delighted Halfling and Gilded Goose, which it can replace due to its consistency in generating mana at the expense of dying for Orcish Bowmasters
the game logic design team will have a power level for each of the cards in mind when theyre creating them, and theyll obviously provide that information to the team, and theyll play different matches and kind of rank the card, if its appropriate, if its meeting the expected power level or not, Inoue said