Tezzeret the Seeker flies in the face of one of the guiding principles for planeswalker design: they must work well in any deck against any opponents deck. While we would see a much more linear design in Nissa Revane the following year, Tezzeret was the first niche planeswalker design
The size of the card varies slightly because I cut the cards myself
Here are all 15 cards in the Dragon Discovery set, including the holos (via PokeBeach): #001: Charizard #002: Pikachu (holo) #003: Miraidon (holo) #004: Jigglypuff #005: Hatenna #006: Dragapult #007: Quagsire #008: Koraidon (holo) #009: Umbreon #010: Hydreigon (holo) #011: Roaring Moon (holo) #012: Dragonite (holo) #013: Eevee #014: Rayquaza #015: Drampa (holo) With this set focusing on Dragon types, its not surprising that iconic Pokemon like Dragonite are getting holo cards
Mishra's Bauble provides a 0-mana cantrip and a bit of information
All Digimon cards have an effect for when they're used as Support cards, and there are also special Option cards that have powerful support effects, but are only good as Support cards
Queen Marchesa The monarch mechanic adds an interesting dynamic to any Commander game