yugioh yusei manga deck Legendary 5Ds Collection Starter Deck - Yusei Edition

Based on the latest market prices tracked on TCG Stacked, Minas Morgul, Dark Fortress is worth about $14.58 USD for a regular copy and $14.76 USD for a foil copy

[3] During the end of the Damage Step involving this card and your opponent's monster: Inflict damage to your opponent equal to their monster's ATK, and if you do, banish that monster

This could be a reference to Khan conquering Tibet in the 13th century, which resulted in Buddhists serving the Mongol Empire.

Far more impactful and important to bear in mind when approaching your first game, is which bread and butter common cards other players are valuing the highest

Better card condition, more variety, and rare finds you cant get locally