Step 1: 💧 Water and 💧 Water

Combine 💧 Water and 💧 Water to create 🌊 Lake

Step 2: 🌍 Earth and 🌍 Earth

Next, combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 3: 💧 Water and 🌍 Earth

Then, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 4: 💧 Water and 🔥 Fire

Now, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 5: 🌬️ Wind and 🌬️ Wind

And then, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 6: 💨 Steam and 🌬️ Wind

As next step, combine 💨 Steam and 🌬️ Wind to create ☁️ Cloud

Step 7: 🏔️ Mountain and 🌊 Lake

Combine 🏔️ Mountain and 🌊 Lake to create 🏞️ Fjord

Step 8: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 9: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 10: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 11: 🌳 Tree and 🌪️ Tornado

Combine 🌳 Tree and 🌪️ Tornado to create 🌲 Wood

Step 12: 🏞️ Fjord and ☁️ Cloud

Combine 🏞️ Fjord and ☁️ Cloud to create 🌈 Rainbow

Step 13: 🌳 Tree and 🐊 Swamp

Combine 🌳 Tree and 🐊 Swamp to create 🌱 Mangrove

Step 14: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 15: 🌈 Rainbow and 🌲 Wood

Combine 🌈 Rainbow and 🌲 Wood to create 🌈 Rainbow Tree

Step 16: 🚀 Rocket and 🌱 Mangrove

Combine 🚀 Rocket and 🌱 Mangrove to create 🌳 Space Tree

Step 17: 🌳 Space Tree and 🌈 Rainbow Tree

Combine 🌳 Space Tree and 🌈 Rainbow Tree to create 🌈🚀🌳 Rainbow Space Tree