Stahl-Seraph

Fliegend
Zu Beginn des Kampfes in deinem Zug erhält eine Kreatur deiner Wahl, die du kontrollierst, bis zum Ende des Zuges entweder Flugfähigkeit, Wachsamkeit oder Lebensverknüpfung (du entscheidest).
//PRT-Prototype_Mech//
{1}{W}{W}
Prototyp (Du kannst diesen Zauberspruch mit anderen Manakosten, Farben und anderer Größe wirken. Er behält seine Fähigkeiten und Typen.)
3/3

Séraphin d'acier

Vol
Au début du combat pendant votre tour, une créature ciblée que vous contrôlez acquiert, selon votre choix, le vol, la vigilance ou le lien de vie jusqu'à la fin du tour.
//PRT-Prototype_Mech//
{1}{W}{W}
Prototype (Vous pouvez lancer ce sort avec un coût de mana, une couleur et une taille différents. Il garde ses capacités et ses types.)
3/3

鋼の熾天使

飛行
あなたのターンの戦闘の開始時に、あなたがコントロールしているクリーチャー１体を対象とする。ターン終了時まで、それは飛行や警戒や絆魂のうちあなたが選んだ１つを得る。
//PRT-Prototype_Mech//
{1}{W}{W}
試作（あなたはこの呪文を、異なるマナ・コスト、色、サイズで唱えてもよい。これは能力とタイプを保持する。）
３/３

钢铁炽天使

飞行
在你回合的战斗开始时，选择飞行，警戒或系命。目标由你操控的生物获得该异能直到回合结束。
//PRT-Prototype_Mech//
{1}{W}{W}
试作（你施放此咒语时可选不同法术力费用、颜色和攻防的版本，其异能与类别不变。）
3/3

Steel Seraph

Prototype {1}{W}{W} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Flying
At the beginning of combat on your turn, target creature you control gains your choice of flying, vigilance, or lifelink until end of turn.

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A prototype card is a colorless card in every zone except the stack or the battlefield, as well as while on the stack or the battlefield if not cast as a prototyped spell. Ignore its alternative characteristics in those cases. For example, while it's in your graveyard, Blitz Automaton is a colorless creature card with mana value 7. It can't be the target of Recommission, a spell that targets an artifact or creature card with mana value 3 or less in your graveyard.

Casting a prototyped spell isn't the same as casting it for an alternative cost, and an alternative cost may be applied to a spell cast this way. For example, if an effect allows you to cast an artifact card without paying its mana cost, you could either cast Blitz Automaton normally, or as a prototyped spell.

If an effect copies a prototyped spell, that copy (as well as the token it becomes on the battlefield) will have the same characteristics as the prototyped spell. Similarly, if an effect creates a token that's a copy of a prototyped permanent or causes another permanent to become a copy of it, the copy would have the same characteristics as the prototyped permanent.

Regardless of how it was cast, a prototype card always has the same name, abilities, types, and so on. Only the mana cost, mana value, color, power, and toughness change depending on whether the card was cast as a prototyped spell.

The prototype ability functions in any zone that the spell could be cast from. For example, if an effect allows you to cast artifact spells from your graveyard, you could cast a prototyped Blitz Automaton from your graveyard.

When cast as a prototyped spell, that spell has the mana cost, power, and toughness characteristics shown in its colored, secondary text box rather than the normal values of those characteristics. Its color and mana value are determined by that mana cost. The permanent that spell becomes as it resolves has the same characteristics. If the spell leaves the stack in any other way, or the permanent it becomes leaves the battlefield, it immediately resumes using its normal characteristics.

When casting a prototyped spell, use only its prototype characteristics to determine whether it's legal to cast it. For example, if Blitz Automaton is exiled with the last ability of Chandra, Dressed to Kill, you would be able to cast it for {2}{R} (because it's a red spell), even though you wouldn't be able to cast it as a colorless spell for its normal cost.

You choose the target creature as you put Steel Seraph's triggered ability on the stack. You choose which ability that creature gains as the ability resolves.