what are gold star pokemon cards The Most Expensive TCG Pokémon ☆ (TCG) - Bulbapedia,

The app gives you access to a variety of useful capabilities such as joining local events, tracking your play, and even organizing/hosting your own events from wherever you are

I currently havent opened my Commander precons from Tarkir: Dragonstorm

Those are arguably the most powerful mill spells, since in the right archetype they immediately lead to a combo win

Its also odd that an Item Merchant wouldnt create some kind of token or give you a choice of effects, but the flavor is the least of this cards worries

These have their own 'K' rarity, it's very likely (not confirmed) the 'K' refers to Kagayaku Pokemon, it's how these Radiant Pokemon cards are called in Japanese

Trainer full art cards have a 2 rarity