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
Alternate win conditions such as Thassas Oracle and Halo Fountain can also still take you out of the game
Whenever Renegade Wheelsmith becomes tapped, target creature can't be blocked this turn
There are plenty of Magic cards that get larger as more of its kind arrives , and there are plenty of Magic cards that enter the battlefield larger the more kindred creatures there are
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
Japanese versions trade at 40-60% of English prices