宝石の洞窟

伝説の土地

宝石の洞窟があなたのゲーム開始時の手札にあり、かつあなたが先攻でない場合、あなたはそれが運勢カウンターを１個置いて場に出ている状態でゲームを開始してもよい。そうした場合、あなたの手札にあるカードを１枚ゲームから取り除く。

{T}：あなたのマナ・プールに{1}を加える。宝石の洞窟に運勢カウンターが置かれている場合、代わりにあなたのマナ・プールに好きな色１色のマナ１点を加える。

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
If multiple Gemstone Caverns are put onto the battlefield under a single player's control before the game begins, the "legend rule" won't put the extras into that player's graveyard until just before the starting player gets priority during the game's first upkeep step. There's no opportunity to tap the extras for mana. (2021-03-19)

A player's "opening hand" is the hand of cards the player has after all players have taken mulligans. If players have any cards in hand that allow actions to be taken with them from a player's opening hand, the starting player takes all such actions first in any order, followed by each other player in turn order. Then the first turn begins. (2021-03-19)