Battles of Legend: Chapter 1

1 Rock monster + 1 Level 4 or lower monster in your opponent's GY
Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. You can banish this card from your GY; add 1 "Fossil Fusion" from your Deck to your hand. You can only use this effect of "Fossil Dragon Skullgar" once per turn.

Fossil Dragon Skullgar

1 Rock monster + 1 Level 7 or higher monster in your opponent's GY
Must first be Special Summoned with "Fossil Fusion". Before damage calculation, if this card battles an opponent's monster: You can switch the current ATK and DEF of that opponent's monster until the end of that Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage. If this Fusion Summoned card battles an opponent's monster, any battle damage it inflicts to your opponent is doubled.

Fossil Dragon Skullgios

Fusion Summon 1 "Fossil" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from any GYs (except for materials with a specific GY requirement listed). If you banished monsters from both GYs, neither player can target that Special Summoned monster with monster effects. If a face-up "Fossil" Fusion Monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can add this card from the GY to your hand. You can only use this effect of "Fossil Fusion" once per turn.

Fossil Fusion

1 Rock monster + 1 Level 4 or lower monster
Must first be Special Summoned with "Fossil Fusion". This card can make up to 2 attacks on monsters during each Battle Phase. You can banish this card from your GY; add 1 "Time Stream" from your Deck to your hand. You can only use this effect of "Fossil Warrior Skull Bone" once per turn.

Fossil Warrior Skull Bone

1 Rock monster + 1 Level 7 or higher monster
Must first be Special Summoned with "Fossil Fusion". This card can make a second attack during each Battle Phase. If this card attacks a Defense Position monster, inflict piercing battle damage. During your opponent's turn (Quick Effect): You can target 1 monster in your opponent's GY; discard 1 card, and if you do, Special Summon that monster to your field. You can only use this effect of "Fossil Warrior Skull King" once per turn.

Fossil Warrior Skull King

1 Rock monster + 1 Level 5 or 6 monster
Must first be Special Summoned with "Fossil Fusion". If this card attacks a Defense Position monster, inflict piercing battle damage. When this attacking card destroys a monster by battle: You can activate this effect; this card can make a second attack in a row. You can banish this card from your GY, then target 1 monster on the field; destroy it. You can only use this effect of "Fossil Warrior Skull Knight" once per turn.

Fossil Warrior Skull Knight

Send 1 Level 4 or lower Rock monster from your Deck to the GY, then, if "Fossil Fusion" is in your GY, draw 1 card. You can only activate 1 "Miracle Rupture" per turn.

Miracle Rupture

Reveal 1 "Fossil Fusion" in your hand; send 1 monster from your hand to the GY, and if you do, declare a Type and a Level, then your opponent looks at their hand and Deck, and sends 1 monster with the declared Type and Level from one of them to the GY (if possible). You can only activate 1 "Specimen Inspection" per turn.

Specimen Inspection

Target 1 "Fossil" Fusion Monster you control; Tribute it, and if you do, Special Summon 1 "Fossil" Fusion Monster from your Extra Deck, whose original Level is 2 higher than that monster's. (This is treated as a Fusion Summon with "Fossil Fusion".) During your Main Phase, except the turn this card was sent to the GY: You can banish this card and 1 "Fossil" Fusion Monster from your GY, then target 1 "Fossil" Fusion Monster in your GY; Special Summon it.

Time Stream

If this card is destroyed by battle or sent to the GY by a card effect: You can add 1 "Fossil Fusion", or 1 card that specifically lists "Fossil Fusion" in its text except "Weathering Soldier", from your Deck to your hand. You can only use this effect of "Weathering Soldier" once per turn. Once per turn, during your End Phase: This card loses 600 ATK.

Weathering Soldier

Ghosts From the Past: The 2nd Haunting

If this card is Special Summoned: You can discard 1 card, and if you do, send 1 "Fossil" Fusion Monster from your Extra Deck to the GY. You can send this card from the field to the GY; inflict 500 damage to your opponent, then, if "Fossil Fusion" is in your GY, you can return to your GY, 1 of your banished cards that is "Fossil Fusion" or mentions it. You can only use each effect of "Flint Cragger" once per turn.

Flint Cragger

1 Rock monster in your GY + 1 Level 4 or lower monster
Must first be Special Summoned with "Fossil Fusion". When this card destroys an opponent's monster by battle: You can inflict 600 damage to your opponent. You can banish this card from your GY; add 1 monster from your Deck to your hand that mentions "Fossil Fusion". You can only use this effect of "Fossil Machine Skull Buggy" once per turn.

Fossil Machine Skull Buggy

1 Rock monster in your GY + 1 Level 7 or higher monster
Must first be Special Summoned with "Fossil Fusion". While you control this Fusion Summoned card, all monsters your opponent controls lose ATK equal to their original DEF. This card can make up to 3 attacks on monsters during each Battle Phase. When this card destroys an opponent's monster by battle: You can inflict 1000 damage to your opponent.

Fossil Machine Skull Convoy

1 Rock monster in your GY + 1 Level 5 or 6 monster
Must first be Special Summoned with "Fossil Fusion". This card can make up to 2 attacks on monsters during each Battle Phase. When this card destroys an opponent's monster by battle: You can inflict 800 damage to your opponent. You can banish this card from your GY, then target 1 Spell/Trap on the field; destroy it. You can only use this effect of "Fossil Machine Skull Wagon" once per turn.