As Kristen explained in her recent article, the most efficient card isnt always the right choice for your deck

Social & Friends - Add friends and build your trading network - View your friends collections, decks, wishlists, and trade lists - Share your lists and discover new cards through your network Scan Pokmon Cards Instantly - Instantly scan cards in any language using advance image recognition - Real-time translation of foreign cards - Check daily prices from TCGPlayer and CardMarket - Explore 30-day price history charts for any card - See format legality, oracle text, and official rulings Manage Your Collection - Organize your Pokmon TGC cards into folders with custom images - Track the value of your folders over time - Export your collection to csv or text format for backups or trading - Use smart filters to sort cards by set, color and more - Built-in card price tracker for you entire Pokmon collection Build Decks - Create and manage Pokmon TGC decks and sideboards - Export decks to csv or text for tournaments or sharing - View deck stats by mana curve, color, type, and more - Perfect for casual and competitive Pokemon deck builders Trade With Confidence - Compare trade values between two players instantly - See whos winning or losing the trade, and by how much - Use trade lists and wishlists to keep deals organized Track Price Trends - See which Pokmon cards have increased or dropped in price - Filter by date, format, or set - Track pricing trends within your own collection Weekly Email Updates - Receive weekly email summaries with your collections stats - See value changes, collection growth, and other insights

Its especially potent in black decks that gain incidental life or run cards like Sensei's Divining Top
While not part of the Commander Decks, the box toppers are technically part of the Commander set
Thousands of Pokemon cards have been released since the game came out in 1996