diff --git a/Sources/OneWay/AnyEffect.swift b/Sources/OneWay/AnyEffect.swift
index 67e10a3..6416af2 100644
--- a/Sources/OneWay/AnyEffect.swift
+++ b/Sources/OneWay/AnyEffect.swift
@@ -189,6 +189,17 @@ extension AnyEffect {
             effects
         ).eraseToAnyEffect()
     }
+    
+    @inlinable
+    public static func concat(
+        priority: TaskPriority? = nil,
+        @EffectsBuilder _ effects: () -> [AnyEffect<Element>]
+    ) -> AnyEffect<Element> {
+        Effects.Concat(
+            priority: priority,
+            effects()
+        ).eraseToAnyEffect()
+    }
 
     /// An effect that merges a list of effects together into a single effect, which runs the
     /// effects at the same time.
@@ -208,4 +219,15 @@ extension AnyEffect {
             effects
         ).eraseToAnyEffect()
     }
+    
+    @inlinable
+    public static func merge(
+        priority: TaskPriority? = nil,
+        @EffectsBuilder _ effects: () -> [AnyEffect<Element>]
+    ) -> AnyEffect<Element> {
+        Effects.Merge(
+            priority: priority,
+            effects()
+        ).eraseToAnyEffect()
+    }
 }
diff --git a/Sources/OneWay/EffectBuilder.swift b/Sources/OneWay/EffectBuilder.swift
new file mode 100644
index 0000000..39de2cc
--- /dev/null
+++ b/Sources/OneWay/EffectBuilder.swift
@@ -0,0 +1,15 @@
+//
+//  OneWay
+//  The MIT License (MIT)
+//
+//  Copyright (c) 2022-2023 SeungYeop Yeom ( https://github.com/DevYeom ).
+//
+
+import Foundation
+
+@resultBuilder
+public struct EffectsBuilder {    
+    public static func buildBlock<T: Sendable>(_ effects: AnyEffect<T>...) -> [AnyEffect<T>] {
+        return effects
+    }
+}