This card comes into play tapped with three stun counters on it
You dont need five treasures to transform, but rather five artifacts
One drawback with Blanka, Ferocious Friend is the lack of recursion you see on other combat trick-centric creatures like Feather, the Redeemed
The vast majority of the land was on the common sheet, but some showed up on the uncommon and rare sheets in order to make the math work out so all the basic lands showed up, on average, at the same rate
A well known fact, from the days before you had to play with sleeves, was also that the first printings of Mirage was far more glossy than other sets (same with some printings of Antiquities), which made Mirage lands sough after by semi-cheaters who wanted to be able to see if the top card of their library was a basic land
No waiting until your turn, if you dont want to