Brutschlupf-Viper

Myriade (Immer wenn diese Kreatur angreift, kannst du für jeden Gegner außer dem verteidigenden Spieler einen Spielstein ins Spiel bringen, der eine Kopie dieser Kreatur ist. Er kommt getappt und diesen Gegner oder einen Planeswalker, den er kontrolliert, angreifend ins Spiel. Schicke die Spielsteine am Ende des Kampfes ins Exil.)Immer wenn die Brutschlupf-Viper einem Spieler Kampfschaden zufügt, kannst du eine Karte ziehen.

Víbora de la progenie

Miríada. (Siempre que esta criatura ataque, por cada oponente que no sea el jugador defensor, puedes poner en el campo de batalla una ficha que es una copia de esta criatura girada y atacando a ese jugador o a un planeswalker que controla. Exilia las fichas al final del combate.)Siempre que la Víbora de la progenie haga daño de combate a un jugador, puedes robar una carta.

Vipère née de la couvée

Myriade (À chaque fois que cette créature attaque, pour chaque adversaire autre que le joueur défenseur, vous pouvez mettre sur le champ de bataille un jeton qui est une copie de cette créature, engagé et attaquant ce joueur ou un planeswalker qu'il contrôle. Exilez ces jetons à la fin du combat.)À chaque fois que la Vipère née de la couvée inflige des blessures de combat à un joueur, vous pouvez piocher une carte.

Vipera della Nidiata

Miriade (Ogniqualvolta questa creatura attacca, per ogni avversario diverso dal giocatore in difesa, puoi mettere sul campo di battaglia una pedina che è una copia di questa creatura TAPpata e che attacca quel giocatore o un planeswalker controllato da quel giocatore. Esilia le pedine alla fine del combattimento.)Ogniqualvolta la Vipera della Nidiata infligge danno da combattimento a un giocatore, puoi pescare una carta.

群棲するバイパー

無尽（このクリーチャーが攻撃するたび、このクリーチャーのコピーであるトークンを、防御プレイヤー以外の対戦相手１人につき１体、タップ状態でそのプレイヤーまたはそのプレイヤーがコントロールしているプレインズウォーカーを攻撃している状態で戦場に出してもよい。戦闘終了時に、それらのトークンを追放する。）群棲するバイパーがプレイヤー１人に戦闘ダメージを与えるたび、あなたはカードを１枚引いてもよい。

丛生毒蛇

繁影（每当此生物攻击时，对防御牌手之外的每位对手而言，你可以将一个衍生物横置放进战场且正对该牌手或由他操控的某个鹏洛客进行攻击，该衍生物为此生物的复制品。在战斗结束时，放逐这些衍生物。）每当丛生毒蛇对任一牌手造成战斗伤害时，你可以抓一张牌。

Broodbirth Viper

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.

The List

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Commander 2015

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may put a token that's a copy of this creature onto the battlefield tapped and attacking that player or a planeswalker he or she controls. Exile the tokens at end of combat.)
Whenever Broodbirth Viper deals combat damage to a player, you may draw a card.

Although the tokens enter the battlefield attacking, they were never declared as attackers. Abilities that trigger whenever a creature attacks won’t trigger, including the myriad ability of the tokens. If there any costs to have a creature attack, those costs won’t apply to the tokens.

Any enters-the-battlefield abilities of the copied creature will trigger when the token enters the battlefield. Any “as [this permanent] enters the battlefield” or “[this permanent] enters the battlefield with” abilities of the copied creature will also work.

Each token copies exactly what was printed on the original creature and nothing else. It doesn’t copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on.

If myriad creates more than one token for any given player (due to an effect such as the one Doubling Season creates), you may choose separately for each token whether it’s attacking the player or a planeswalker they control.

If the defending player is your only opponent, no tokens are put onto the battlefield.

The term “defending player” in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking at the time it became an attacking creature this combat, or the controller of the planeswalker the creature was attacking at the time it became an attacking creature this combat.

The token creatures all enter the battlefield at the same time.

You choose whether each token is attacking the player or a planeswalker they control as the token is created.