Step 1: 💧 Water and 🌬️ Wind

Combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 2: 🌍 Earth and 🌬️ Wind

Next, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 3: 💧 Water and 💧 Water

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

Step 4: 💧 Water and 🌍 Earth

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

Step 5: 💧 Water and 🔥 Fire

And then, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 6: 🌬️ Wind and 🌬️ Wind

As next step, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 7: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 8: 🌊 Wave and 🌊 Lake

Combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 9: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 10: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 11: 🌱 Plant and 🌊 Lake

Combine 🌱 Plant and 🌊 Lake to create 🌸 Lily

Step 12: 🌍 Earth and 🌍 Earth

Combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 13: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 14: 🌳 Tree and 🌪️ Tornado

Combine 🌳 Tree and 🌪️ Tornado to create 🌲 Wood

Step 15: 💩 Mud and 🌊 Tsunami

Combine 💩 Mud and 🌊 Tsunami to create 🌋 Mudslide

Step 16: 🌸 Lily and 🐊 Swamp

Combine 🌸 Lily and 🐊 Swamp to create 🌺 Lotus

Step 17: 🚗 Engine and 🏔️ Mountain

Combine 🚗 Engine and 🏔️ Mountain to create 🚂 Train

Step 18: 🌋 Mudslide and 🌲 Wood

Combine 🌋 Mudslide and 🌲 Wood to create 🪵 Log

Step 19: 🚂 Train and 🌺 Lotus

Combine 🚂 Train and 🌺 Lotus to create 🚅 Bullet Train

Step 20: 🚅 Bullet Train and 🪵 Log

Combine 🚅 Bullet Train and 🪵 Log to create 🚂 Wooden Train