original yugioh card game rules Exploring the Hidden in the – sleevekings File:Rulebook v5.0.pdf - Yugipedia

One thing thats common among many of these Wraiths is the swampwalk ability, so if you have an Urborg, Tomb of Yawgmoth, youll definitely want to toss one in your deck

thats a completely valid reason to collect too

If youre just starting out in MTG Arena or MTG, keep your creatures and spells cheap and just go for all-out aggression

8 Royal Assassin Kill An Opponent's Creature Before It Can Deal Damage Estimated Value: $1,000 - $1,700 This insidious card can kill any tapped creature

Its part of the trio with Articuno and Moltres, which means many collectors are hunting it as part of a set, further driving demand