Being a Mega means it can make use of Mega Turbo to accelerate one Energy from the discard pile, and since this specific M Gardevoir-EX is part Psychic type, it can make use of the Dimension Valley Stadium to reduce its attack from an already low two Energy to just one
Pikachu Pikachu, the most well-known Pokmon and iconic mascot, has two variants in the set: red cheek and yellow cheek
Sword of Fire and Ice says, Whenever equipped creature deals combat damage to a player, draw a card and deal 2 damage to any target. This only fires when you successfully hit an opponent with the equipped creature
That's a pretty great package overall, making this an obvious standout option that might just make the cut, but at the same time doesn't necessarily have an immediate home to go into
Whenever Renegade Wheelsmith becomes tapped, target creature can't be blocked this turn