I've been tempted to snatch these cheap GF Legendary Monsters up, too! My reasoning is that they're sure to increase in value over time, even if they dip temporarily as more cards get minted and Chaos gets released, but also I could use a boost to my collection power being one of the newer players that washed up onto Splinterlands with the early July wave. I think I'd get more bang for my buck waiting for Chaos Legion so I'm sitting tight for now, but really there's no wrong answer. These cards will definitely be worth much more in the not too distant future.