ギラプールの宇宙儀 {4}

アーティファクト

各プレイヤーは、自分の各ターンに追加の土地を１つプレイしてもよい。

各プレイヤーのアップキープの開始時に、そのプレイヤーの手札にカードが無い場合、そのプレイヤーはカードを３枚引く。

この詳細な模型により、建築官は市の全貌を様々な角度から検討できる。

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
Ghirapur Orrery's first ability allows a player to play an additional land during their main phase. Doing so follows the normal timing rules for playing lands. (2016-09-20)
Ghirapur Orrery's first ability is cumulative if more than one is on the battlefield. (2016-09-20)
No player may take actions in a turn before Ghirapur Orrery's second ability checks to see if it should trigger. If the player whose turn it is has any cards in hand, it won't trigger. (2016-09-20)

If the player has any cards in hand as Ghirapur Orrery's second ability resolves, the ability does nothing. Notably, a second Ghirapur Orrery won't have a player draw another three cards unless the player empties their hand after resolving the first one's trigger. (2016-09-20)
The draw step is after the upkeep step, so drawing a card as a turn-based action won't affect whether Ghirapur Orrery's second ability triggers. (2016-09-20)
In a Two-Headed Giant game, Ghirapur Orrery's second ability triggers for each player on a team separately. If one player has cards in hand, it can still trigger for the other player. (2016-09-20)