If preparation can be reset easily, it could be a strong engine piece
Clear and Matte Coatings are free, but the other options may look rather steep in price and the cost only rises as more options are unlocked
While Sarulf won't be consuming existence as we know it in a normal game, it does a good impression of its real-world (?) counterpart
The Giovanni Trainer card will help boost the attack of cards like Electrode and Zebstrika, meaning players can consistently do damage across the board
Vise scales very well with any mana disruption (Port, Wastelands, Tanglewire) and also any symmetrical draw seven effects you may be packing
Note that the Palm is cheaper, thus increasing its ability to come out of nowhere, but it only works to redirect damage that was going to be dealt to you