Skelosaur - Combination Swarm, Anti-Meta, Fossil-Support

[Toffee.]

Skelosaur Georaptor -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. You can Banish 1 "Skelosaur Georatpr" in your Graveyard: Special Summon this card(from your Hand). The following effect is only applied if you control 2 other "Skelosaur" Monsters. As long as this card remains face-up on the field, the Opponent cannot Special Summon and Monsters you control cannot declare a Direct-attack.
1800ATK / 500DEF

Skelosaur Stegotite -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. If you control a "Skelosaur Stegomite", you can Special Summon this card(from your hand). If this card battles an Opponent's Monster, send the top 3 cards of your Deck to the Graveyard at the End of the Damage Step. If no Rock or Dinosaur-Type monster(s) were sent to the Graveyard in this way, destroy this card. If this card destroys an Opponent's Monster as a result of battle: Add to your hand 1 "Fossil Fusion" Card from your Deck. Then, change the Battle Position of this card. Battle Damage done to the Opponent's Life Points from a battle involving this card is halved.
2300ATK / 500DEF

Skelosaur Stegomite -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. If you control a "Skelosaur Stegotite", you can Special Summon this card(from your hand). If this card battles an Opponent's monster, send the top 3 cards of your Deck to the Graveyard at the End of the Damage Step. If you sent at least 1 Rock or Dinosaur-Type monster to the Graveyard in this way, Return the Opponent's Monster to his/her hand. Then, change the Battle Position of this card. If this card is destroyed by an Opponent's card(either by Battle or Card effect) and sent to the Graveyard: Add to your hand 1 "Fossil Fusion" Card from your Graveyard.
500ATK / 2300DEF

Skelosaur Trikoal -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. Each time the Opponent Special Summons a Monster, Increase the ATK of this card by 500 until that turn turn's End Phase. During the Opponent's Battle Phase, if you control another "Skelosaur" monster, you can Discard 1 Spell Card to activate this effect. During a Battle Phase in which you activated this effect, all monsters your Opponent controls are switched to face-up Attack Position(FLIP effects are not activated at this time) and must attack this card, if able. Then, if this card is destroyed as a result of battle during that Battle Phase, End the Battle Phase.
1700ATK / 1000DEF

Skelosaur Pterofissure -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. During either player's turn, while you control a "Skelosaur" monster, you can activate this effect by Discarding this card from your Hand and Targeting 1 Effect Monster your Opponent controls: Send 1 face-up "Skelosaur" Monster you control to the Graveyard and the Target monster's effect is negated until the End Phase and the Opponent takes damage equal to the Target monster's ATK. Then, you can Change the Battle Position of the Target monster. During the End Phase of a turn you activated this effect: Draw 1 card.
1400ATK / 1400DEF

Skelosaur Armorkylo -EARTH-
Lvl4
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. When this card is flipped face-up: Inflict 500 damage to your Opponent. If this card is destroyed as a result of battle, Special Summon 1 "Skelosaur Armorkylo" from your Deck in face-up Attack Position. The following effect of a "Skelosaur Armorkylo" can only be activated Once per Turn: You can Tribute this card and Target 1 other face-up "Skelosaur" monster you control: Increase the ATK of that monster by 1500 until the End Phase, and it cannot declare a Direct Attack during this turn.
1300ATK / 1700DEF

Skelosaur Taranosaur -EARTH-
Lvl6
[Dinosaur/Effect]
This card is also treated as a Rock-Type monster. If the Opponent controls at least 2 monsters, you can Normal Summon this card without Tributes. When this card is Tribute summoned, you can Destroy 1 card on the field. As long as this card remains face-up on the field, Battle damage done to the Opponent's Life Points from a battle involving a "Skelosaur" monster is halved. Each time a "Skelosaur" monster destroys an Opponent's monster as a result of battle: Add to your hand 1 "Skelosaur" monster from your Deck.
2500ATK / 1800DEF

Fossil Warrior - Skullsaber -EARTH-
Lvl4
[Dinosaur/Fusion/Effect]
1 Rock-Type Monster + 1 level 4 or lower Opponent's Monster.
This card cannot be Special Summoned except by the effect of a "Fossil Fusion" Card. Increase the ATK of this card by 100 for each Rock-Type monster in your Graveyard. Once per turn, you can Banish 1 Rock-Type monster in your Graveyard, then Send 1 Rock-Type monster from your Deck to the Graveyard to activate the following effect. During this turn, this card can attack your Opponent's Life Points directly.
1800ATK / 2000DEF

Skelosaur Fossil - Skulljaw -EARTH-
Lvl6
[Dinosaur/Fusion/Effect]
1 "Skelosaur" Monster + 1 Level 4, 5, or 6 Opponent's Monster.
This card cannot be Special Summoned except by the effect of a "Fossil Fusion" Card. This card is also treated as a Rock-Type monster. Each time the Opponent Special Summons a monster, Draw 1 card and Increase the ATK of this card by 200 until the End Phase. If this card battles an Opponent's monster, you can Discard 1 card: Destroy the Opponent's monster without applying Damage Calculation. As long as this card remains Face-up on the field, if the Opponent would Set a Monster, it appears on the Field in Face-up Defense Position Instead.
2000ATK / 1700DEF

Skelosaur Fossil Dragon - Skullwing -EARTH-
Lvl8
[Dinosaur/Fusion/Effect]
1 "Skelosaur" Monster + 1 Level 8 or higher Opponent's Monster.
This card cannot be Special Summoned except by the effect of a "Fossil Fusion" Card. This card is also treated as a Rock-Type monster. Once per turn you can Target 1 face-up monster your Opponent controls: Reduce the ATK and DEF of that monster by 1000, and the Opponent cannot Summon or Set any monsters with the same name as a the Targeted monster, until the End Phase of his/her next turn. If this card is destroyed by your Opponent's card(either by battle or card effect): Draw 1 card.
3500ATK / 3000DEF

Bone Break -Spell-
Destroy 1 Face-up "Skelosaur" Monster you control: Draw 2 cards.

Skelosaur Tracks -Spell-
Special Summon 1 level 4 "Skelosaur" Monster from your Hand with it's effect(s) negated. The Monster Summoned in this way cannot declare a direct attack, and cannot be used as a Synchro or Xyz Material Monster, and is destroyed during the End Phase of this turn. Then, add to your hand 1 Monster with the same name as the Summoned Monster from your Deck. During this turn, you cannot Summon the Monster you added to your Hand with this effect. Only 1 "Skelosaur Tracks" can be activated per turn.

Fossil Retrieval -Spell-
Discard 1 "Skelosaur" Monster. Draw 1 card. Then, add to your hand 1 "Fossil Fusion" Card from your Deck. You cannot activate it during this turn.

Neo Fossil Fusion -Spell-
Reveal 1 "Fossil" Fusion Monster in your Extra Deck to your Opponent. Banish 1 Rock-Type Monster from your side of the field or Graveyard, and 1 monster on the Opponent's side of the field or Graveyard of the appropriate level, and Special Summon the revealed monster. If you Banished a monster on the Opponent's side of the field in this way, you cannot conduct your Battle Phase this turn. Only 1 "Neo Fossil Fusion" can be activated and resolved, each turn.

Compounded Fossil Fusion -Spell-
Reveal 1 "Fossil" Fusion Monster in your Extra Deck to your Opponent. Banish from your Graveyard 1 "Fossil" Fusion Monster and Monster of the appropriate Level in the Opponent's Graveyard, and Special Summon the revealed Monster. The Opponent cannot activate card effects in response to the Summon of this monster, and it gains 1000 ATK until the End Phase.

Fusion Fossil-Expirement -Trap-
Pay Half your Life Points. Activate 1 "Fossil Fusion" card from your Deck or Graveyard. The activation and effect of this card cannot be negated.

Fossil Buster -Trap-
Destroy 1 Rock-Type Monster you control: Target 1 Face-up Monster your Opponent controls; Destroy the Target. Then, send up to 3 "Skelosaur" Monsters from your Deck to the Graveyard. If you Destroyed a "Fossil" Fusion Monster in this way, Draw 1 card.

Bone Clamp -Trap-
Activate if the Opponent Special Summons a Monster: Target that Monster; Decrease it's ATK and DEF by 500. Then, you can Special Summon 1 "Skelosaur" Monster from your Hand.

Meteor Barrage -Continuous Trap-
Increase the ATK of all "Skelosaur" Monsters you control by 300. Each time the Opponent Special Summons a monster, place 1 Meteor Counter on this card. You can send this card from your side of the field to the Graveyard with 3 or more Meteor Counters to destroy all monsters on the Opponent's side of the field. If this card is destroyed by your Opponent's card: Draw 1 card.

[Toffee.]

Updated + Added stuff.