These feel different from the alternate-cost free spells were looking at here
It consistently lands on lists of good planeswalkers because it generates value without asking for complicated board states or fragile combos
Experience Counters as a mechanic seem to be in high demand at the moment, which likely has an additional impact on Kalemnes price spike
For example, if an effect has given Bear Cub, a 2/2 creature, -4/-0 so that it's a -2/2 creature, doubling its power and toughness gives it -2/+2, and it becomes a -4/4 creature
or when the player's Pokmon is damaged, there is a certain chance to transfer part of the damage to itself to protect its teammates
Players are theorizing that the High Class Pack EX expansion will be the last in the A-series before the big Mega Evolution update makes its debut