Take for example, Snorlax
Even without a deck full of snow permanents, just playing the best ones and untapping your lands is still more than enough
Mega Lucario ex Well see if Lucario ex ends up being competitively viable
There are previews of some neat Double Faced cards, which can show two sides/forms of a particular character or creature, with the examples used including Garland, Knight of Cornelia which flips to become Chaos, The Endless , and Cecil, Dark Knight becoming Cecil, Redeemed Paladin (spoilers!)
The aforementioned Corpses of the LostCorpses of the Lost also works well here, letting us surprise our opponents with a big, hasty creature to close out games
Now she says it goes for about $100, give or take