The backside Black Chocobo is useful ramp and lets you take any land out of your library and put it on the battlefield
For example, Gorgonic is an archetype that uses Rock monsters to Xyz Summon the Rank 3 Gorgonic Guardian
You can only use this effect of "Chaos Archfiend" once per turn
This also means that she has her fair share of alternate arts scattered around

Hans, Run!" Aang, Destined Savior Accelerate Act of Aggression Act of Treason Adeliz, the Cinder Wind Admiral Brass, Unsinkable Adult Gold Dragon Agatha of the Vile Cauldron Agility Bobblehead Ahn-Crop Crasher Akki Drillmaster Akki Lavarunner Akki Lavarunner Akoum Battlesinger Akoum Firebird Akoum Stonewaker Akroan Conscriptor Akroan Crusader Akroma's Memorial Akroma, Angel of Wrath Akroma, Angel of Wrath Avatar Akroma, Vision of Ixidor Akuta, Born of Ash Alaundo the Seer Alesha's Vanguard Alex Wilder, Runaway Alexios, Deimos of Kosmos Alibou, Ancient Witness Alibou, Ancient Witness Alien Invasion All-Star Kicker (playtest) Altac Bloodseeker Amber Gristle O'Maul Ambuscade Shaman Ambush Party Amethyst Dragon Amethyst Dragon Amonkhet Raceway Amped Up Amphin Mutineer Anathemancer Angel of Indemnity Angelfire Ignition Anger Angrath, the Flame-Chained Animus of Predation Anje Falkenrath Ankle Shanker Anzrag's Rampage Apprentice Necromancer Arachnomania Araumi of the Dead Tide Arbalest Engineers Arc Runner Arcbound Hybrid Arcbound Slasher Archfiend of Sorrows Archwing Dragon Arclight Phoenix Ardoz, Cobbler of War Ardyn, the Usurper Arena of Glory Argivian Avenger Arlinn Kord Arlinn, Embraced by the Moon Arlinn, the Moon's Fury Arms Race Arni Brokenbrow Arthur, Marigold Knight Artificer's Dragon Artistic Process
