Obviously, this is a case where the Adventure isnt always going to get cast before the creature, but its nice having that late game ability to see a bunch of cards Lagoon Breach is removal, even if it is situational, and then the whale is certainly beefy enough to trade for something, so were talking about a 2-for-1 here
As a business, we want to minimize how many sheets we need to print for each set, so a lot of care (and a lot of math) goes into figuring this out
you can use it aggressively to remove counters from an opponents creature or the opponent themself and potentially net a bump of mana
Professional Face-Breaker Sometimes it feels like creating Treasure is easier than making a land drop, given the extreme support the archetype has seen
It can also be used in limited battles
I expressed my thoughts about fetchlands in Commander last week