This is a possible contributing factor for the design decision of adding ward 2
Duelist Challenges After you beat a Campaign (including all of its Reverse Duels), you are eligible for challenging those duelists again, though with a more updated and much (arguably) harder Deck than they used during the Campaign

Release date: 1993-12-01 Air Elemental Ancestral Recall Animate Artifact Animate Dead Animate Wall Ankh of Mishra Armageddon Aspect of Wolf Bad Moon Badlands Balance Basalt Monolith Bayou Benalish Hero Berserk Birds of Paradise Black Knight Black Lotus Black Vise Black Ward Blaze of Glory Blessing Blue Elemental Blast Blue Ward Bog Wraith Braingeyser Burrowing Camouflage Castle Celestial Prism Channel Chaos Orb Chaoslace Circle of Protection: Black Circle of Protection: Blue Circle of Protection: Green Circle of Protection: Red Circle of Protection: White Clockwork Beast Clone Cockatrice Consecrate Land Conservator Contract from Below Control Magic Conversion Copper Tablet Copy Artifact Counterspell Craw Wurm Creature Bond Crusade Crystal Rod Cursed Land Cyclopean Tomb Dark Ritual Darkpact Death Ward Deathgrip Deathlace Demonic Attorney Demonic Hordes Demonic Tutor Dingus Egg Disenchant Disintegrate Disrupting Scepter Dragon Whelp Drain Life Drain Power Drudge Skeletons Dwarven Demolition Team

On March 17, the full-size tins, which feature five booster packs and an art promo card featuring Galarian Articuno, Galarian Zapdos, or Galarian Moltres, hit shelves
He also helps you keep cards in your hand, allowing you to get a card whenever you ink one