Changes

| ar_name = القاعدة الأماميّة| zh_name tc_name = 前線基地| el_name = Βάση του Μπροστινού Μετώπου| hr_name fr_name = Frontalna BazaBase de la Ligne de Front

| ko_name = 전선기지| pt_name = Base de Linha de da Frente

| image = FrontlineBase-SDMMSBCB-EN-C-UE1E.png| typest property = Continuous| attribute card_type = Spell| effect password = 46181000| effect_types = Ignition-like| lore = [[Once per [[turn]]: You can [[Special Summon]] 1 [[Level]] 4 or lower [[Union monster]] from your [[hand]].| fr_lore = Une fois par tour : vous pouvez Invoquer Spécialement 1 monstre Union de max. Niveau 4 depuis votre main.| de_lore = Einmal pro Spielzug: Du kannst 1 Union-Monster der Stufe 4 oder niedriger als Spezialbeschwörung von deiner Hand beschwören.| it_lore = Una volta per turno: puoi Evocare Specialmente 1 mostro Unione di Livello 4 o inferiore dalla tua mano.| pt_lore = Uma vez por turno, durante a sua Main Phase, : você pode Special Summon Invocar por Invocação-Especial 1 monstro Union União de Nível 4 ou menor menos da sua mão para o seu lado do campo.| zh_lore es_lore = 1回合1次，自己的主要階段時可以從手卡把一隻4星以下的同盟怪獸特殊召喚。Una vez por turno: puedes Invocar de Modo Especial, desde tu mano, 1 monstruo de Unión de Nivel 4 o menor.| support1 ja_lore = Union Monster１ターンに１度、自分のメインフェイズ時に手札からレベル４以下のユニオンモンスター１体を特殊召喚する事ができる。| summon1 ko_lore = Special Summons from your hand자신의 메인 페이즈에 1번만, 패에서 레벨 4 이하의 유니온 몬스터 1장을 특수 소환할 수 있다. 이 효과는 1턴에 1번밖에 사용할 수 없다.| misc1 tc_lore = Limited activations| number = 461810001回合1次，可于我方主要阶段从手牌特殊召唤等级4或以下的1只联合怪兽。

{{Card table set/header|en}}{{Card table set|DR1-EN083|; Dark Revelation Volume 1|; Common}}{{Card table set|SDMM-EN025|; Machina Mayhem Structure Deck|; CommonSDKS-EN029; Structure Deck: Seto Kaiba; Common}}{{Card table set/footer}}SBCB-EN075; Speed Duel: Battle City Box; Common

{{Card table set/header|na}}{{Card table set|MFC-028|; Magician's Force|; Common}}{{Card table set/footer}}

{{Card table set/header|fr}}{{Card table set|DR1-FR083|; Dark Revelation Volume 1|; Common}}{{Card table set|SDMM-FR025|; Machina Mayhem Structure Deck|; CommonSDKS-FR029; Structure Deck: Seto Kaiba; Common}}{{Card table set/footer}}SBCB-FR075; Speed Duel: Battle City Box; Common

{{Card table set/header|de}}{{Card table set|DR1-DE083|; Dark Revelation Volume 1|; Common}}{{Card table set|SDMM-DE025|; Machina Mayhem Structure Deck|; CommonSDKS-DE029; Structure Deck: Seto Kaiba; Common}}{{Card table set/footer}}SBCB-DE075; Speed Duel: Battle City Box; Common

{{Card table set/header|it}}{{Card table set|DR1-IT083|; Dark Revelation Volume 1|; Common}}{{Card table set|SDMM-IT025|; Machina Mayhem Structure Deck|; CommonSDKS-IT029; Structure Deck: Seto Kaiba; Common}}{{Card table set/footer}}SBCB-IT075; Speed Duel: Battle City Box; Common

{{Card table set/header|pt}}{{Card table set|DR1-PT083|; Dark Revelation Volume 1|; Common}}{{Card table set/footer}}SDKS-PT029; Structure Deck: Seto Kaiba; Common

{{Card table set/header|es}}{{Card table set|DR1-SP083|; Dark Revelation Volume 1|; Common}}{{Card table set|SDMM-SP025|; Machina Mayhem Structure Deck|; CommonSDKS-SP029; Structure Deck: Seto Kaiba; Common}}{{Card table set/footer}}SBCB-SP075; Speed Duel: Battle City Box; Common

{{Card table set/header|jp}}{{Card table set|302-028|; Advent of Union|; Common}}{{Card table set|EE1-JP083|; Expert Edition Volume.1|; Common}}{{Card table set|SD18-JP024|; Structure Deck: Machiners Command|; Common}}{{Card table set/footer}}

{{Card table set/header|ae}}{{Card table set|MFC-AE028|028; Magician's Force; Common|tc_sets = SD18-TC024; Structure Deck: Machiners Command; Common}}{{Card table set/footer}}

{{Card table set/header|ko}}{{Card table set|MFC-KR028|; Magician's Force|; Common}}{{Card table set|HGP1-KR083|; Expert Edition Volume.1|; Common}}{{Card table set|SD18-KR024|; Structure Deck: Machiners Command|; Common}}{{Card table set/footer}}

| anime_gx supports = 004, 061, 066, 082, 103, 156Union monster| summoning = Special Summons from your hand| misc = Limited activations