That is the hallmark of a strong Modern sideboard card, one that is still plenty strong enough to wreck the primary matchup you bring it in for, yet with a secondary mode that gives it additional utility
That's the brake here, the mana spent, not once per turn or anything like that
You can have it be a zombie, and when it enters or attacks, you get to draw a bunch of cards, which is exactly what this deck wants to be doing
Illustrated by Kirsten Zirngibl Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
You can try to cut it and play those lands instead: 1 Gemstone Mine (the first one is acceptable, but sucks in multiples), 1 Spirebluff Canal and 2 additional fetchlands
Related Price: $67.01 #3: Guardian Project (Retro Frame) One of the Simic Combines standout cards, Guardian Project pays off greens adherence to playing creatures through an incredible, reliable draw effect