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Mirrodin Besieged

Card Name

ミラディン包囲戦

Mana Cost

2

Type

Enchantment

Rarity

Rare

rules Text

ミラディン包囲戦が戦場に出るに際し、ミラディン軍かファイレクシア軍を選ぶ。• ミラディン軍 ― あなたがアーティファクト・呪文を唱えるたび、無色の１/１のマイア・アーティファクト・クリーチャー・トークンを１体生成する。• ファイレクシア軍 ― あなたの終了ステップの開始時に、対戦相手１人を対象とする。あなたは、カードを１枚引き、カード１枚を捨てる。その後、あなたの墓地にアーティファクト・カードが15枚以上あるなら、そのプレイヤーはこのゲームに敗北する。

Legal Formats

Commander, Legacy, Modern, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pauper, Pioneer, Standard

Rulings

(6/14/2019)
If you support the Mirrans, Mirrodin Besieged's ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
(6/14/2019)
If you support the Phyrexians, you must choose a target opponent as your end step begins. Whether that player loses the game is determined only as the ability resolves. This means that the card you discard may be the fifteenth artifact card that causes the target player to lose the game, but it also means that if there is no legal target opponent, you won't draw or discard.
(6/14/2019)
If you somehow control Mirrodin Besieged and no choice was made for it, it has neither of the two triggered abilities.
(6/14/2019)
In a Two-Headed Giant game, if one player on a team loses the game, that team loses the game.