They're great at finding Mountains, less good at finding actual cards that matter
The ability to remove Sea Titan, Steel Golem, Juggernaut, etc., and the fact that it banishes the champion are also big deals
You may notice these two things are often going to be in stark opposition
2 Hashaton, Scarabs Fist Hashaton, Scarabs Fists ability is deceptively simple but wildly potent: whenever you discard a creature card, you can pay a small amount of mana to create a 4/4 Zombie token thats a copy of it
2 Garchomp ex A2a 093 In this illustration, Garchomp is seen during a moment of epic battle against none other than Arceus - the featured Pokemon for Triumphant Light
Special Rules and Edge Cases Mana abilities have several quirky interactions that come up in tournament play