Mega Gardevoir EX deck is very flexible, but its strategy can be complicated for new players
Its sorcery speed makes it slightly less valuable, but you could do a lot worse
Its like a swiss-army-knife of a card, letting you remove anything that might be troubling you wether that be an item, a character, or a location
Dominating both Modern and even more Legacy, the card is an all star answer for anything your opponent is doing, almost changing the way decks being build preboard
Oh, and one interesting thing to note: Gaeas Cradle doesnt care about the color of the creatures you control
While this is technically a budget MTG board wipe, at $0.37 for the Chronicles printing, its also the kind of card you absolutely shouldnt run outside of thematic bracket one shenanigans