Theres two Showcase frames in this set: All of the Werewolves and Warlocks in the set get whats called the Equinox frame, on both sides if its a two-faced card
Also, the ramp effect is not to underestimate, giving tempo decks mana advantage in the early turns will lead to more spells being played and increases the disruption and threat density tempo can represent to close out the game even more quickly
Not only do you get to play any artifact for free, you also get to fetch it from anywhere in your deck
Not only is it decent exile removal, but the ability to cast the removed creature gives it excellent utility
Now his body takes its own corrosive revenge against any enemy who successfully strikes him
Equipment and fortifications can be attached to other permanents you control and have abilities that allow you to attach them, some even create a creature so you get a token to carry the tool