It depends on how popular and sought-after the card is
Its also very useful to always grab Sanctums or Go-Shintai over Hondens since you can do that on your upkeep and have them trigger in the same turn

3 Braska's Final Aeon Cecil, Dark Knight Chaos, the Endless Cloud of Darkness Emet-Selch, Unsundered Exdeath, Void Warlock Fang, Fearless l'Cie Gaius van Baelsar Galian Beast Garland, Knight of Cornelia Golbez, Crystal Collector Hades, Sorcerer of Eld Jecht, Reluctant Guardian Jenova, Ancient Calamity Judge Magister Gabranth Kain, Traitorous Dragoon Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Locke Cole Neo Exdeath, Dimension's End Noctis, Prince of Lucis Ragnarok, Divine Deliverance Reno and Rude Rufus Shinra Sephiroth, Fabled SOLDIER Sephiroth, One-Winged Angel Sephiroth, Planet's Heir Seymour Flux Shinryu, Transcendent Rival Sin, Spira's Punishment Squall, SeeD Mercenary The Darkness Crystal Trance Kuja, Fate Defied Ultimecia, Omnipotent Ultimecia, Time Sorceress Vincent Valentine Xande, Dark Mage Yiazmat, Ultimate Mark Zenos yae Galvus Zodiark, Umbral God

It's the packaging itself that's valuable here, not the cards inside, so don't go cracking one of these black triangle packs open if you happen to find one sitting in the back of a drawer (you lucky devil)