Witherbloom reduces the cost of your instants and sorceries based on the number of creatures you control, and Diabolic Revelation plugs directly into that engine
The simple way to avoid this from happening is to NOT destroy Roots of Yggdrasil
While characters tend to have skill cards all over the place in terms of , , and , and therefore might flexibly use the bonus on what's needed, characters tend to have an overabundance of cards and a strong inclination to chuck them at tests rather then play them, this means that a might have less flexible things to do with a Grisly Totem but they can often get more use from it, which is great because unlike dudes there is very little competition for the accessory slot
One or two of these on the board can win you the game
The thing is, Slivers arent actually all that popular in Commander circles, with just 800 decks or so registering the card
The Pokmon energy cards list, according to the official Pokmon website: Grass Fire Water Lightning Psychic Fighting Darkness Metal Fairy When a Pokmon is retreated, the Energy cards attached to it are discarded
