If you are able to counter or remove their initial few threats, you may win by default
Navigating Alzheimer's** 2 p.m
$0.99 Oko, Lorwyn Liege Lorwyn Eclipsed $9.49 The Chain Veil Commander Masters $12.99 Jace, Wielder of Mysteries War of the Spark $16.99 Hedge Maze Murders at Karlov Manor $6.49 Teferi, Hero of Dominaria Dominaria $3.49 Flux Channeler War of the Spark $8.99 Ichormoon Gauntlet Phyrexia: All Will Be One $0.79 Oath of Teferi Dominaria $1.29 Oko, the Trickster (Planeswalker Deck) Throne of Eldraine $10.99 Sink into Stupor Modern Horizons 3 $0.99 Oko, the Ringleader Outlaws of Thunder Junction $1.29 Ashiok, Dream Render War of the Spark 0 results found
In other words, you show them your graded slabs, and if they agree with the grade, they put a sticker on the card certifying it
Especially in this modern time
After Yugi is beaten, the player must face Marik