TLDR : Crimson

TLDR

Crimson pure and crimson Drum

Pure Crimson ------------------------------------------------------------

Size 3 (2)

2 Inferno Armor Dragon

Size 2 (9)

4 Crimson Battler, Drum Bunker Dragon
3 Crimson Battler, Boosted Dragon
2 Crimson Battler, Heavy Impact Dragon

Size 1 (8)

3 Crimson Battler, Catapult Knuckle
3 Crimson Battler, Ignited Dragon  
2 Crimson Battler, Guns Knuckle Dragon

Size 0 (5)

4 Boomerang Dragon
1 Seventh Omni Earth Lord, Count Dawn

Spells (16)

2 Dragonic Formation
4 Blue Dragon Shield
4 Green Dragon Shield
2 Dragoenergy or Dragodefense
2 Crimson Ring
2 Dragonic Grimoire

Items (7)

4 Steel Fist, Dragoknuckle
3 Blazing Dragon Fist, Dragoburst

Impacts (3)

3 Gigantic Crusher!!

Crimson Drum ---------------------------------------------------------

Size 3 (2)

2 Inferno Armor Dragon

Size 2 (13)

4 Super Armordragon, Drum Breaker Dragon
4 Crimson Battler, Drum Bunker Dragon
3 Drum Bunker Dragon
2 Crimson Battler, Heavy Impact Dragon
 

Size 1 (8)

3 Crimson Battler, Catapult Knuckle
3 Crimson Battler, Ignited Dragon  
2 Crimson Battler, Guns Knuckle Dragon

Size 0 (5)

4 Boomerang Dragon
1 Seventh Omni Earth Lord, Count Dawn

Spells (16)

2 Dragonic Formation
4 Blue Dragon Shield
4 Green Dragon Shield
2 Dragoenergy or Dragodefense
2 Dragonic Grimoire

Items (7)

4 Steel Fist, Dragoknuckle
3 Blazing Dragon Fist, Dragoburst

Impacts (2)

2 Gigantic Crusher!!