pokemon cards lucario ex Mega - Fighting - 179/132 (NM) Pokémon M Lucario-EX | Yellow A

First theres the risk of effectively breaking the format

Either of these cards blows all semblance of card parity out the window, granting the user so many extra cards and so much card selection as to make it almost impossible for them to lose if they are not killed quickly

Besides, if your board state is poor and you're taking damage, gaining 7 life will not buy your much time, and your opponent's heavy-hitting creatures are still there

Can we do science

Scrawling Crawler Scrawling Crawler looks like the child of Howling Mine and Sheoldred, the Apocalypse

Facilitating Princess Twilight Sparkles missing win condition, these cards now make an MLP MTG deck viable