Improved odds in Graveyard Slots Copy Cat, Mimicat, and Monster Reborn allow you to manipulate the content of your opponents Graveyard and help narrow down it down for the Graveyard Slots (revived cards go to the revivers Graveyard when destroyed)
4 or more: Add 1 "Spellbook" Spell Card from your Deck to your hand
By putting these less-rare cards in your sight, you can build a solid B-tier deck and then add rares like ex cards when they do get pulled later down the road
Absolute Virtue Adelbert Steiner Aerith Gainsborough Ambrosia Whiteheart Ashe, Princess of Dalmasca Bahamut, Warden of Light Beatrix, Loyal General Cecil, Redeemed Paladin Choco, Seeker of Paradise Cid, Timeless Artificer Cloud, Midgar Mercenary Cloud, Planet's Champion Cloudbound Moogle Coeurl Delivery Moogle Dion, Bahamut's Dominant Dwarven Castle Guard G'raha Tia Gaelicat Garnet, Princess of Alexandria Giott, King of the Dwarves Hope Estheim Hydaelyn, the Mothercrystal Joshua, Phoenix's Dominant Judge Magister Gabranth Lightning, Army of One Magitek Infantry Minwu, White Mage Noctis, Prince of Lucis Phoenix, Warden of Fire Rinoa Heartilly Rosa, Resolute White Mage Rufus Shinra Serah Farron Snow Villiers Squall, SeeD Mercenary Stiltzkin, Moogle Merchant Summon: Alexander Summon: Choco/Mog Summon: Knights of Round Summon: Primal Garuda Tidus, Blitzball Star Venat, Heart of Hydaelyn Weapons Vendor Yuna, Hope of Spira Zack Fair Zidane, Tantalus Thief
However, he or she may keep on dueling them for more points
