Each player will start the game with a pre-selected 30-card deck, and over the course of the learn-to-play experience, they will slowly add another 30 to create a standard 60-card deck
In Commander, games naturally go on for much longer, and a deck list this gets weaker with every turn if its battlefield isn't stacked with powerful creatures and tokens
If this play-before-prerelease feels familiar, thats because the exact same stunt happened during Tarkir: Dragonstorm , when Ornate Imitations began spewing neon-fresh dragonlords a week ahead of schedule: Source: Reddit And players had already noted that Fear of Change could do something similar back in October last year: Source: Reddit In fact, as soon as this week's Arena Announcement said that the FF cards were going to be patched a week before launch, players were already getting their Ornate decks ready
You cant cheat out expensive cards, but Gandalf adds some super-charged Panharmonicon action to your deck and at minimum gives your commander flash
Play Boosters are perfect for Limited play and fun to open, with a possibility of Art cards, alternate art, special frames, and additional Rares and/or Mythic Rares
