Active Player

Active Player アクティブ・プレイヤー (Akutibu Pureiyā)
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Active Player is the player currently taking their turn.

Details

During your turn, you become the active player. If its your opponent's turn, they are the active player.

• A players who isn't the active player is known as the non-active player.

In the official Q&A on the Duel Masters Official Homepage, it was referred to as "that turns player", and the non-active player as "the other player". "Turn player" and "non-Turn player" were later seen.

• In the Duel Masters General Game Rules released in July 2015, it is written as "turn player" and "non turn player".
• Some effects can differ depending on the active player, such as the results of a battle between Death March, Reaper Puppeteer and Glenmalt, Dragon Ruler.

Rules

When the ability of multiple cards trigger at the same time, they resolve in progress, starting with the active player.

Rule Processing where active turn priority is applied

• If you and your opponent have a Trigger Ability that trigger at the same time, they are resolved in the turn order, where the active player abilities resolve first. (See: Resolution, Standby, or Trigger Ability)
• If multiple Replacement Effects would occur at the same time, the effects of the turn player are processed first.
  • However, if the initial effect was a spell and that spell itself decides where to put the card, that has the highest priority.
• Even if Shield Trigger and Strike Back are declared to be used by each player at the same time, the active player will resolve theirs first.
• If a card's effect causes both players to put a card (except seals) into the battle zone at the same time, unless the order to put into the battle zone is specified, the active player puts cards at a time first.
  • If Gouhaten Tsukumogatari is cast, the active player puts all their creatures from their mana zone into the battle zone first, regardless of which player actually cast the 'Gouhaten Tsukumogatari'. Then the non-active player puts all their creatures from their mana zone into the battle zone.
  • When Dokindam Apocalypse is put into the battle zone, all seals are added to each creature at the same time.
• When a card effect draws a card for both players, the active player draws first, then the non-active player, unless the order is specified. (Comprehensive Rule 114.2a)
  • When Tutankhanen is put into the battle zone, the active player draws first, regardless of which player put the Tutankhanen.

Rule Processing where active turn priority is not applied

• A card such as Charge 3 Times, Free Entry! states "Put a creature from your mana zone into the battle zone.". Then your opponent puts a creature from their mana zone into the battle zone. If it's clearly stated which one will be put first, follow the instructions.
• The effect of Chusi Xiao Han, Special Grade is performed at the same time for both players. (^source )
• Each player's cards move from a zone at the same time, except when cards are put into the battle zone or drawn and each other's cards leave at the same time as well. Of course, if a Replacement Effect, or an ability such as Shield Trigger Strike Back, etc occurs, the active player resolves these first.
  • When breaking each players shields with DG ~The Thing Made By Man~, they are broken at the same time. Then each player can declare the usage of any Shield Trigger or Strike Back abilities, while the active player resolves theirs first.

Rulings

• English
• Japanese

From the Duel Masters - General Game Rules: Version 1.41 (April 12, 2024)

• 603.3. Any abilities that trigger become abilities on standby. Then the abilities are resolved starting with the abilities of the active player.
  • 603.3a Some triggered abilities are written to use an ability with a specific icon. These abilities will be put on standby when they are triggered.

    Example: When a creature that has 'Kizuna Plus' attacks and puts a card underneath into your graveyard, even if the creature with the icon is destroyed before the ability resolves, the card is put into your ability when the ability is triggered. The 2 icon abilities that were chosen when you put a card underneath into your graveyard are put on standby.

From the Duel Masters - General Game Rules: Version 1.41 (April 12, 2024)

• 603.3. 能力が誘発したら、効果は一度待機状態になり、その時点で待機している全ての効果のうちターン・プレイヤーのものから順番に処理をします。
  • 603.3a 誘発型能力の中には、それに続くアイコンの能力を使うと書かれているものがあります。それらの能力は誘発した段階でアイコンに記された内容を含めて待機状態になります。
    例: キズナプラスを持つクリーチャーが攻撃して下にあるカードを墓地に置いた時、その後能力の解決前にアイコンを持つクリーチャーが破壊されたとしても、能力起動時に墓地にカードを置いた段階で選ばれたふたつのアイコン能力は待機状態になっています。