Since Pendulum decks often use a ton of Spell Cards, you'll have no trouble loading up on Spell Counters
This is a really interesting addition, and a less obvious one for the deck than Marvin
The cards consist of Fletchling (Kalos Starter Set 31/39) and a batch of Reverse Holo cards from Dragons Exalted
Its always great when the art on a card also hints at what it does, so its easier to remember without always having to read it
That list undergoes a process to filter it down into a smaller set of mechanics that are about the right power level and complexity for a 4 mana cost rare: The power level and complexity of this card are acceptable, and it's mechanically playable
So while cards like Moat, Island Sanctuary, Meekstone, Forcefield, and The Abyss are excellent against a large part of the Old School Magic field, these cards are not optimal against the Stasis Prison deck