Wreckage Wickerfolk may not have a lot of power, but even a single point of damage is enough to increase your speed
This is the best kind of a deck: a slow value deck
Perhaps the best way to use them is with all the degenerate combos that persist presents that let you bite for infinite damage if you were able to assemble your doomsday device
I still have a base set Pikachu that's not worth much in competitive play, but you couldn't pay me to part with it
As for the father and son, theres only 13 cards (so far, Im expecting at least two more in Avatar) that reference experience counters and the only five-color one is Azlask, the other five-color Eldrazi
Magic has evolved into several interlocking formats and game modes and is played across several platforms, so whether too few or too many cards are printed each year depends a lot on your preferred format(s)