Here are some best Royal Giant Decks:
Mega Knight Barrel Bait
Goblin Barrel
Bats
Dart Goblin
Mega Knight
Prince
Princess
Royal Giant
Skeleton Army
Avg. Elixir
4
Baby Dragon Fisherman Deck
Baby Dragon
Fisherman
Furnace
Lightning
The Log
Mega Minion
Royal Giant
Skeletons
Avg. Elixir
3.6
Royal Giant Firecracker Cycle
Fireball
Firecracker
Heal Spirit
The Log
Prince
Royal Giant
Skeleton Dragons
Skeletons
Avg. Elixir
3.3
Minion Horde Hog Rider Zap
Arrows
Barbarians
Hog Rider
Minion Horde
Mega Minion
Royal Giant
Sparky
Zap
Avg. Elixir
4.3
Archer Queen Fisherman Deck
Archer Queen
Fireball
Fisherman
Royal Ghost
The Log
Mother Witch
Royal Giant
Skeletons
Avg. Elixir
3.5
Little Prince Tesla Defense
Skeletons
Arrows
Tesla
Royal Giant
Rage
Fisherman
Mother Witch
Little Prince
Avg. Elixir
3.3
Hunter Lightning Deck
Skeletons
Royal Giant
Lightning
The Log
Hunter
Fisherman
Electro Spirit
Rune Giant
Avg. Elixir
3.4
Executioner Rocket Deck
Executioner
Goblins
The Log
Miner
Royal Giant
Rocket
Tornado
Valkyrie
Avg. Elixir
3.9
Electro Spirit Fisherman
Electro Spirit
Fireball
Fisherman
Royal Ghost
The Log
Phoenix
Royal Giant
Skeletons
Avg. Elixir
3
Electro Spirit Earthquake Cycle
Arrows
Earthquake
Electro Spirit
Knight
Miner
Royal Giant
Skeletons
The Log
Avg. Elixir
2.8
Firecracker Mega Knight Bait
Arrows
Bats
Firecracker
Mega Knight
Royal Giant
Skeleton Army
Skeleton Barrel
Spear Goblins
Avg. Elixir
3.6
Inferno Dragon Firecracker Cycle
Firecracker
Ice Spirit
Inferno Dragon
Royal Giant
Skeleton Army
Tesla
The Log
Valkyrie
Avg. Elixir
3.5
Baby Dragon Barbarian Barrel Control
Baby Dragon
Barbarian Barrel
Electro Spirit
Goblin Cage
Lightning
Lumberjack
Mega Minion
Royal Giant
Avg. Elixir
3.8
Berserker Electro Spirit
Bats
Berserker
Electro Spirit
Firecracker
Goblin Cage
Lightning
Royal Giant
The Log
Avg. Elixir
3.3
Baby Dragon Lightning Deck
Baby Dragon
Barbarian Barrel
Electro Spirit
Goblin Cage
Lightning
Lumberjack
Mega Minion
Royal Giant
Avg. Elixir
3.8
Barbarians Electro Wizard Beatdown
Barbarians
Electro Wizard
Fireball
Firecracker
Prince
Princess
Royal Giant
The Log
Avg. Elixir
4
Mega Knight Firecracker Bait
Arrows
Bats
Firecracker
Mega Knight
Royal Giant
Skeleton Army
Skeleton Barrel
Spear Goblins
Avg. Elixir
3.6
Dart Goblin Mega Knight Bait
Bats
Dart Goblin
Goblin Barrel
Mega Knight
Prince
Princess
Royal Giant
Skeleton Army
Avg. Elixir
4
Baby Dragon Snowball
Baby Dragon
Barbarian Barrel
Electro Wizard
Giant Snowball
Goblin Curse
Prince
Royal Giant
Valkyrie
Avg. Elixir
3.6
Electro Spirit Hunter Deck
Electro Spirit
Fisherman
Guards
Hunter
Monk
Royal Giant
The Log
Zap
Avg. Elixir
3.3
Electro Spirit Fisherman Lightning
Electro Spirit
Fisherman
Hunter
Lightning
Royal Ghost
Royal Giant
Skeletons
The Log
Avg. Elixir
3.3
The Royal Giant excels as used in the appropriate deck with cunning support and timing. Master this deck and rank up in ladder and challenges with ease.