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Gemstone Caverns

Card Name

宝石洞穴

Type

Legendary Land

Rarity

Mythic Rare

rules Text

如果你的起手牌中包含了宝石洞穴，且你不是先手牌手，则你可以让宝石洞穴在战场上来开始游戏，且上面有一个运气指示物。如果你如此作，则从你手上放逐一张牌。：加。如果宝石洞穴上有运气指示物，则改为加一点任意颜色的法术力。

Legal Formats

Commander, Legacy, Modern, Vintage

Not Legal Formats

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

Rulings

(3/19/2021)
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.
(3/19/2021)
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.