The upper cap on these cards is pretty tame and even when you go all out on synergy you only arrive at a fair card and not a bomb
Recovered Page is almost guaranteed to draw a character, and helps later with Boost characters
So while you do pay a premium for better cards, the amount of cards you'll use in your constructed decks after drafting Modern Horizons 3 is much greater than your average Standard set
Poppet Stitcher sits between Young Pyromancer and Talrand, Sky Summoner in terms of mana value, though his tokens are probably being the weakest, since they're 2/2 Zombies with decayed, so they can't block and they only attack once before you have to sacrifice them
I recently had to go to 3 different targets to pick up everything I needed to finish up a room
Pioneer is a bit of a wild card, and while this effect is definitely strong enough for the format, it may not attack the current metagame at the right angle