mtg destroy land cards Rules Text: destroy, land, Type: Instant, Colors: Red, 6 Top 10 Best Land Destruction

It is just one body and the value it comes with isn't making up for the lack of more bodies

Since you generally need land to cast most of your spells, getting rid of them can hamper your opponents substantially

In other words, we get 3-4 mana worth of value each time we cast a noncreature spell large enough to draw two cards (not to mention Hero tokens)

1 Valakut Exploration

The fact it's Spiders and legendary creatures means you could also use this to enable certain things, Shalai and Hallar for example would go nuts with this and a bunch of Spiders

Think of it like knocking your opponent off-balance in a wrestling match