(2019-07-12) If the top card of your library changes while you're casting a spell, playing a land, or activating an ability, you can't look at the new top card until you finish doing so
If you want to be contacted regarding your card grades before the order is finalized, leave a customer request in the comments section during step 3 of the checkout process

$210 Upgrades Unleashed $41 Buckle Up $46 Cabaretti Cacophany $58 Obscura Operation $53 Riveteer Rampage $56 Maestros Massacre $50 Bedecked Brokers $54 Party Time $80 Exit From Exile $87 Draconic Dissent $51 Mind Flayarrrs $59 Painbow $48 Legends Legacy $68 Forces of the Imperium $91 Necron Dynasties $87 The Ruinous Powers $98 Tyranid Swarm $89 First Flight $28 Grave Danger $26 Chaos Incarnate $43 Draconic Destruction $41 Token Triumph $25 Urzas Iron Alliance $61 Mishras Burnished Banner $66 Rebellion Rising $52 Corrupting Influence $58 Call for Backup $46 Cavalry Charge $48 Growing Threat $46 Divine Convocation $42 Tinker Time $42 Cute to Brute $234 Hosts of Mordor $119 Riders of Rohan $101 Food and Fellowship $103 Elven Council $102 Eldrazi Unbound $121 Enduring Enchantments $85 Planeswalker Party $70 Sliver Swarm $85 Virtue and Valor $47 Fae Dominion $54 Blast From the Past $74 Masters of Evil $82 Paradox Power $62 Timey-Wimey $102 Secret Lair Angels $248 Ahoy Mateys $96 Blood Rites $102 Explorers of the Deep $113 Veloci-Ramp-Tor $103

Cards that have high value are generally better to use and should be put into your deck, making other cards that do something, but maybe not as well
Credit: Wizards of the Coast Encouraging Aviator Saffgor: As a repeatable Instant to cast, this does decently, but it's going to be a limited-playable Flying-granter most of the time without outside synergy
Paul, who began unboxing Pokmon cards on video during the COVID-19 pandemic, is often credited with helping propel the boom