Heres where you get to be very selective in which Pokemon you want on your team or, in this case, in your deck
Basic Grass Energy 278/193 Energy cards have, per tradition, almost always been included in the Hyper Rare cards' club, where two types of Energy can be found as Hyper Rare cards
Is Mutate Actually Good
While every set has a selection of special guest cards that can be found with unique art, these ones give a retro theme to the cards that make them look like old cosmic horror comic books and movie posters
It can kill stuff that a normal Kill Tap can't because you can use stuff like Liliana, the Last Hope's -2/-1 to kill off something with indestructible
For example, if your commander has the ability to gain a lot of life, you might build a Commander deck with cards that benefit from maintaining as high a life total as possible, and focus on out-enduring your foes - or you might use your life total as a resource, burning through it to fuel powerful abilities and relying on your commander to keep yourself from succumbing