Colorless decks tend to rely on expensive Eldrazi as their big haymakers and finishers
Three mana is also quite a bit to pay for the effect in a world where it could also buy you Rhystic StudyRhystic Study
There are newcomers galore here, with tons of stuff to excite counter-lovers, Final Fantasy X fans, and Atraxa fans: Tromell, Seymour's Butler: Tromell wasnt an important enough character to really deserve a card, but Im not ignoring anything that says, proliferate X times, even if theres a condition behind it
This was an undercosted creature, but your opponent could take it away from you
A background character from an older set can sit well below $50 while a beloved protagonist from a newer set commands several hundred dollars
Mulan is a solid card and does well in the Moana/Mulan deck