The main strategy revolves around keeping Mewtwo EX alive in the active zone while building up Gardevoir with Trainer cards
If another effect (or effects) modifies how much damage a creature you control that entered this turn would deal (for example, by preventing some of that damage), the player being dealt damage or the controller of the permanent being dealt damage chooses the order in which any such effects, including the effect of Neriv's last ability, apply
Personal Healthcare Companion has zero Strength, for example, whereas Armored Companion has 2
Paradox Rift comes out November 3, but with 266 cards to collect, pretty grim pull-rates, and a short release window, itll be too easy to have moved on to whichever set comes out next in January
15 Rely On The Chosen Starter Regardless of the Pokemon game, one of the best tips when dealing with the Elite Four is to rely on one's Starter Pokemon