A: Yes, as long as they are opaque (you cannot see the card back through the sleeve)
Each display of 30th Anniversary Edition contains four booster packs with random content for $ 999.-
Talrand, Sky Summoner is just that commander, giving you a 2/2 Drake token with flying every time you cast an instant or sorcery spell
Sonic Booster Whenever Nyssa of Traken attacks, sacrifice X artifacts
Even if you're not running this archetype, it's still a solid blue enchantment to pair with creatures that cant be blocked, as it protects them from sorcery-speed removal or board wipes
Return of the Wildspeaker One of the most played green cards in EDH overall, losing to the staple ramp cards, Return of the Wildspeaker is a modal card that's a mix between a strong buff to your creatures and a good card draw spell