Permanent describes any card you play that stays on the battlefield until it is killed or destroyed
So, while this may be a message to bump up the efficiency of your mana, its also an opportunity to look at some of the cooler lands that dont just create mana, but can also have some other unexpected benefits
Last month, we learned that The Lost Caverns of Ixalan would feature mechanically unique Jurassic Park cards inserted into Set and Collector Boosters, as well as two Secret Lair dropsbut we didnt get to see any cards
For each even result, put two -1/-1 counters on that creature
While I dont consider it a powerhouse (at least compared to several cards on this list), at a purely competitive standpoint, it still offers a good counter for energy spammers or decks centered around energy-hungry active cards while youre setting up your Gardevoir EX
If it was attached to a creature, it becomes unattached