```java
package me.altair.obf.transformers.impl;

import me.altair.obf.transformers.ITransformer;
import me.altair.obf.transformers.TransformerHierarchy;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.*;

import java.util.HashSet;

import java.util.Random;
import java.util.Set;

@TransformerHierarchy(priorityValue = 2)
public class DeadCodeTransformer implements ITransformer {

    private static final Random random = new Random();

    @Override
    public void transform(ClassNode node) {
        createRandomVariables(node);
        insertDeadIfStatements(node);
    }

    private void createRandomVariables(ClassNode node) {
        int numberOfVariables = random.nextInt(20) + 10; // Add between 10 and 30 random variables
        Set<String> existingVariableNames = new HashSet<>();

        for (FieldNode field : node.fields) {
            existingVariableNames.add(field.name);
        }

        for (int i = 0; i < numberOfVariables; i++) {
            String typeDescriptor;
            Object initialValue;
            switch (random.nextInt(3)) {
                case 0:
                    typeDescriptor = "I"; // int
                    initialValue = random.nextInt();
                    break;
                case 1:
                    typeDescriptor = "Z"; // boolean
                    initialValue = random.nextBoolean();
                    break;
                case 2:
                    typeDescriptor = "Ljava/lang/String;"; // String
                    initialValue = "str" + random.nextInt(10000);
                    break;
                default:
                    continue;
            }

            // Ensure unique variable names
            String varName;
            do {
                varName = "randomVar" + random.nextInt(10000);
            } while (existingVariableNames.contains(varName));

            existingVariableNames.add(varName);

            FieldNode randomField = new FieldNode(
                    Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC,
                    varName,
                    typeDescriptor,
                    null,
                    null
            );

            node.fields.add(randomField);

            for (MethodNode method : node.methods) {
                if (method.instructions.size() > 0) {
                    int index = random.nextInt(method.instructions.size());
                    InsnList instructions = new InsnList();

                    if (typeDescriptor.equals("I")) {
                        instructions.add(new LdcInsnNode(initialValue));
                    } else if (typeDescriptor.equals("Z")) {
                        instructions.add(new InsnNode((boolean) initialValue ? Opcodes.ICONST_1 : Opcodes.ICONST_0));
                    } else if (typeDescriptor.equals("Ljava/lang/String;")) {
                        instructions.add(new LdcInsnNode(initialValue));
                    }

                    instructions.add(new FieldInsnNode(
                            Opcodes.PUTSTATIC,
                            node.name,
                            varName,
                            typeDescriptor
                    ));

                    method.instructions.insert(method.instructions.get(index), instructions);
                }
            }
        }
    }

    private void insertDeadIfStatements(ClassNode node) {
        for (MethodNode method : node.methods) {
            if (method.instructions.size() > 0) {
                int index = random.nextInt(method.instructions.size());
                InsnList instructions = new InsnList();

                // Create a random condition that will always be false using integer variables
                String var1 = "randomVar" + random.nextInt(10000); // Random variable name
                String var2 = "randomVar" + random.nextInt(10000); // Another random variable name

                // Load the first variable
                instructions.add(new FieldInsnNode(Opcodes.GETSTATIC, node.name, var1, "I"));
                instructions.add(new LdcInsnNode(0)); // Load constant 0
                instructions.add(new InsnNode(Opcodes.ISUB)); // Subtract to create a false condition

                // Load the second variable
                instructions.add(new FieldInsnNode(Opcodes.GETSTATIC, node.name, var2, "I"));
                instructions.add(new InsnNode(Opcodes.ISUB)); // Subtract to create a false condition

                // Create a label for the jump
                LabelNode label = new LabelNode();
                instructions.add(new JumpInsnNode(Opcodes.IFNE, label)); // Jump if not equal (this will always be false)

                // Add dead code here
                instructions.add(new InsnNode(Opcodes.RETURN)); // This will never be executed

                // Mark the label
                instructions.add(label);

                // Insert the instructions at a random position in the method
                method.instructions.insert(method.instructions.get(index), instructions);
            }
        }
    }

}
```
Enchance this code by adding more methods and upgrading existing ones, im using class writer both arguments so keep that in mind