Theres a ton of competitive demand for the Overload, where its becoming one of the more valuable hits from Duskmourn: House of Horror , which includes the Japan Showcase printing
Ruby Brave, strong and yet sometimes Reckless, which is an in-game keyword that can prove difficult to manage for a glimmers owner Ruby cards have some of the best character options of all the Ink colours
The Emperor of Palamecia A mana dork for spells, The Emperor of Palamecia combines it with growing when you cast bigger spells, and as The Lord Master of Hell can potentially deal a lot of damage to foes, but really wants some evasion
While this card can be easily removed with an Impale or Murder, it can easily end games early if you don't have a removal spell in hand
At any rate, each time you cast Gandalf the Grey you get to use the full bag of tricks again, and you can also blink the card to reset it