it can be your attacker in case you are against a strategy that nullifies the damage from V Cards (like the typical annoying Miltank), or you can use it to send some Water Energy cards to the Discard Pile with its Ability, Concealed Cards, which lets you draw two cards from your deck but only if you discard anEnergy card from your hand
Removing them slows the engine considerably
While this might be a case of the Pokemon's limited exposure thanks to being locked behind DLC, it's going to take some time and likely an exceptionally strong, playable card for it to appeal to a wider TCG audience
Time to Play With all of these amazing ways to implement Mew ex in our metagame, you should start exploring this great card, and even find other unique ways to add it into your decks
Feast your eyes on its doozy of an effect, though: at the beginning of the Draw Phase, if the player has less Life Points than their opponent and Creator of Hope had been sent to the Graveyard since your last Draw Phase (by attack or opposing card effect), the player can shout Im feeling the flow!," then pick any card from their deck and put it on top to be drawn
Recently people sell the WOTC/Pokemon wrap with the empty box