how much do serialized mtg cards sell for What are in Magic: The Gathering? The Complete List of Serialized

Honestly, the reward far outweighs the risk, putting Fetch Lands as the third-best cards in the current Modern format

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) If the target creature is an illegal target as Persistent Constrictor's first ability tries to resolve, it won't resolve and none of its effects will happen

If your deck has lots of land , or if you've got a handful of land courtesy of something like Boundless Realms, then suddenly Cultivator Colossus is arriving as a 12/12 that also draws you a bunch of cards

Card draw is one way to acquire more resources card advantage is all the ways to have more resources than your opponent

Theres something new coming with Shimmering Skies as well, a new product called Gateway