What if it just grants a creature type
Bonus sheets from previous sets sometimes have a unifying mechanical theme (in Outlaws of Thunder Junction , for example, all the cards from the Breaking News bonus sheet could commit a crime), but there's no specific mechanical thread connecting these Through the Ages cards
003-190-robin-hood-champion-of-sherwood and 002-177-cinderella-stouthearted typically top the deck's curve as strong challengers that benefit the most from Rapunzel's heal
Soul Warden, Soul's Attendant, and Auriok Champion all gain you a life when a creature enters, and stack together, so if all of them are on the battlefield, that's three life from just one creature entering
not only does it generate ridiculous amounts of mana, but it exploits powerful draw engines like Curiosity and Tandem Lookout
With this deck we have a powerful combination of Rush cards, to immediately interact with our opponent's board, and Evasive cards, which can often be very tricky for our opponents to deal with