"The Mickey Mouse card is in the 60s for total graded population, while the other cards are all in the low 30s or high 20s." "It will be exciting to see where these numbers settle in the coming year and where the market lands on a price for them", Craig adds
Experienced Standard players will likely see where this is going already, though - this is a great card for ramp strategies, offering two lands and three life for a total investment of five mana across two turns
I noticed the slight differences in color too imo the color difference is just a matter of how much ink the card ended up getting during the process
Putting a decayed counter on a creature has two main functions it makes the creature unable to block, which is going to swing combat in your favor, and it also means that if its controller ever does decide to attack with it then that is the last thing that it will ever do (they have to sacrifice it)
Additionally, Ursula is a powerful quester