While Ghastly and Haunter are nothing special, their final evolution is the ultimate breadwinner
This is a really strong card, especially because it can be used as removal, too, by declining to pay the energy
Mega Froslass is not good simply because of the instant damage itself, but because it forces you to limit your hand throughout the entire game, as any Snorunt on the bench could evolve and oneshot you with one energy attachment, and this way it limits counterplay to other attackers that synergise with the Snorunt line
(Check out our Collecting March of the Machine overview for a refresher on what these look like.) Cards from Zhalfir (returned to and taking the place of New Phyrexia), however, have been lost in time: Zhalfirin Booster Fun cards appear in the retro frame treatment seen in previous releases that draw from Magic 's past, such as Dominaria Remastered , The Brothers' War Commander decks, and Modern Horizons 2