Power-level, Constructed viability, staying power, flexibility, Commander and Limited appeal, and even artwork were all taken into consideration when selecting the Top 10
The first is Aragorn and Arwen, Wed, a Human Elf Noble that cares about +1/+1 counters and gaining life in true white/green fashion
Furthermore, its attack also makes the opponent discard one energy card from their active Pokmon, meaning that it can occasionally make the opponent unable to attack on the following turn
Prevent depreciation A true collector is proud of his card collection, so it is a shame to leave them lying around loose in the house
But like Krenko, she can create exponentially more and more Saprolings the more she gets to use her ability