It only stops creatures with flying from attacking, but seeing as thats one of the most popular evasive keywords, this wonderful green enchantment can be a nice sideboard piece
Fury will shoot creatures and planeswalkers for 4 damage divided as you choose, which is pretty good for just one more mana than Flametongue Kavu since you can target planeswalkers, get double strike, and can split targets to take out more than one opposing card
Its easy to look at this and aspire to cast it, kill three creatures, and net a 6-mana 15/15
Despite this, however, the Commander can more than pull its weight at that price point
There are plenty of ways to make great use out of a card like Jumbo Cactuar, so long as an opponent doesn't immediately take it out of the game, and even then, it's a great way to reduce the amount of counterpla y at their disposal
This theory was disproven by tabletop gaming journalist Christian Hoffer, who contacted Ravensburger to ask about the project