It must also be mentioned that prices, especially in the first few weeks after release, are extremely volatile
When a Spell/Trap Card or effect is activated (Quick Effect): You can Tribute 1 "Altergeist" monster this card points to
If this card is Summoned: You can place 1 of your "Advanced Crystal Beast" monsters that is banished, or in your hand, Deck, or GY, face-up in your Spell & Trap Zone as a Continuous Spell
Deck : The Agent Deck : The Agent ( ) The Agent Deck List (40) Monsters (22) 3 Mystical Shine Ball 3 Mystical Shine Ball 2 Archlord Kristya 1 Gorz the Emissary of Darkness 3 Herald of Orange Light 1 Honest 1 Lightray Sorcerer 3 Master Hyperion 2 The Agent of Creation - Venus 3 The Agent of Miracles - Jupiter 3 The Agent of Mystery - Earth 1 Gorz the Emissary of Darkness 3 Herald of Orange Light 1 Honest 1 Lightray Sorcerer 3 Master Hyperion 2 The Agent of Creation - Venus 3 The Agent of Miracles - Jupiter 3 The Agent of Mystery - Earth Spells (12) 1 Book of Moon 1 Dark Hole 2 Forbidden Dress 1 Mind Control 3 Mystical Space Typhoon 1 Night Beam 2 Pot of Duality 1 Book of Moon 1 Dark Hole 2 Forbidden Dress 1 Mind Control 3 Mystical Space Typhoon 1 Night Beam 2 Pot of Duality Traps (6) 1 Bottomless Trap Hole 2 Call of the Haunted 1 Compulsory Evacuation Device 1 Solemn Warning 1 Torrential Tribute 1 Bottomless Trap Hole 2 Call of the Haunted 1 Compulsory Evacuation Device 1 Solemn Warning 1 Torrential Tribute Extra Deck (15) 1 Black Rose Dragon 1 Gaia Knight, The Force of Earth 1 Jeweled Red Dragon Archfiend 1 Light End Dragon 1 Mist Wurm 1 Orient Dragon 1 Stardust Dragon 1 Stardust Spark Dragon 1 Vulcan the Divine 1 Black Rose Dragon 1 Gaia Knight, The Force of Earth 1 Jeweled Red Dragon Archfiend 1 Light End Dragon 1 Mist Wurm 1 Orient Dragon 1 Stardust Dragon 1 Stardust Spark Dragon 1 Vulcan the Divine 1 Daigusto Phoenix 1 Gachi Gachi Gantetsu 1 Lavalval Chain 1 Number 11: Big Eye 1 Number 39: Utopia 1 Number 96: Dark Mist 1 Gachi Gachi Gantetsu 1 Lavalval Chain 1 Number 11: Big Eye 1 Number 39: Utopia 1 Number 96: Dark Mist Note : - Side Deck is not my official for match dueling - By user : oFrEeDoMo
It was likely a printing error, and for the sake of consistency, Wizards has kept that error ever since, and made it a formal part of the card back's design
It's also a perfect option to swap-in for the Commander when you want to mix things up at the table
