Flying.Whenever Balor attacks or dies, choose one or more
In addition to giving you the option to switch your Active Pokmon with 1 of your Benched Pokmon, you have the option to instead have your Pokmons attacks to 30 more damage against Pokmon V (V, VMAX, VSTAR, and V-UNION) and Pokmon ex during the turn that Kieran is played
This means that they can now tap for one Green mana apiece, but it also means that Ashaya gets even stronger based on how many Creatures you have out as well
Brought Back is capable of these feats from Standard to Vintage, as part of almost limitless combinations
Print more of the most collectible cards, so regular people have a greater incentive to buy packs, but the resale market is flattened by over-population
Standard Standard is the format in which you use the most recent sets released by WotC