clash royale all rare cards The best in User blog:Captain GLeen Du Grande/Ranking

Note how the condition (on a scale of one to 10) drastically changes the value

Let the battle begin

Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) Watermark: Dimir Illustrated by Christopher Moeller Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp

I would probably keep Mew EX on the bench, and move it into the active Pokemon spot to either use one of your Pokemon's great moves right away, or more than likely to use Replace for a turn, move many of your energy cards in play to one Pokemon and then retreat Mew EX the next turn and put in that Pokemon you just moved all the energy cards to, that way you can attack immediately with that Pokemon, regardless if it requires 4 or 5 energy cards and you didn't have any energy cards attached to it the previous turn