I think one of the Mods verbally stated before in one of the YouTube streams, like the TI, the selection is just giving you the visual effect of selecting. However, its already been pre-selected for you.

So just click the 1st 4 or 5. It doesn't matter at all.

Even if it did matter which card you picked, it still wouldn't really matter since you have no idea what's behind each card anyway.

If you're asking if some of the prizes are fake, I don't think they are, since it's possible to pick all the cards if you level up to a level that unlocks a new survival breakthrough while your old card selection is still active.

If you're asking whether each prize has the same odds or if the "better" prizes are rarer, then I have no idea. But sometimes you don't get the coins.

The picking all the cards if you level up only happens once sadly...

I was so excited when I picked all 6 cards when I hit level 90. Then at 5am reset. There's a new breakthrough at level 100, and now there's 7 cards to pick from. :Q

I had it twice, once for 90 and once for 80 I think.



Anyway, to the topic itself, if the prize are ordered 1 to x, it is possible that the later in the order, the better the prize pool is, and therefore, if and when there is one that is unreachable, it could tend to be the best one.
Not saying that's how it is, just saying that it COULD be.