Step 1: 💧 Water and 🔥 Fire

Combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 2: 💧 Water and 🌍 Earth

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

Step 3: 💧 Water and 💧 Water

Then, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 4: 🌍 Earth and 🌍 Earth

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

Step 5: 🌱 Plant and 💧 Water

And then, combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 6: 🌱 Plant and 🌱 Plant

As next step, combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 7: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 8: 🏔️ Mountain and 🌬️ Wind

Combine 🏔️ Mountain and 🌬️ Wind to create 🌨️ Avalanche

Step 9: 🌱 Plant and 🌊 Lake

Combine 🌱 Plant and 🌊 Lake to create 🌸 Lily

Step 10: 🏔️ Mountain and 🌊 Lake

Combine 🏔️ Mountain and 🌊 Lake to create 🏞️ Fjord

Step 11: 🌳 Tree and 🐊 Swamp

Combine 🌳 Tree and 🐊 Swamp to create 🌱 Mangrove

Step 12: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 13: 🌨️ Avalanche and 🚗 Engine

Combine 🌨️ Avalanche and 🚗 Engine to create 🏂 Snowmobile

Step 14: 🏞️ Fjord and 🌸 Lily

Combine 🏞️ Fjord and 🌸 Lily to create 🧚 Nymph

Step 15: 🚀 Rocket and 🌱 Mangrove

Combine 🚀 Rocket and 🌱 Mangrove to create 🌳 Space Tree

Step 16: 🧚 Nymph and 🏂 Snowmobile

Combine 🧚 Nymph and 🏂 Snowmobile to create ❄️ Snow Nymph

Step 17: ❄️ Snow Nymph and 🌳 Space Tree

Combine ❄️ Snow Nymph and 🌳 Space Tree to create 🌲 Snow Tree