Effect
You can Set this card from your hand to your Spell & Trap Zone as a Spell Card. During your opponent's turn, if this Set card in the Spell & Trap Zone is destroyed and sent to your Graveyard: Special Summon it. If this card is Special Summoned during your opponent's turn: Destroy up to 2 Set cards you control (min. 1). You can only use this effect of "Artifact Beagalltach" once per turn.
The effect "If this Set card in the Spell & Trap Zone is destroyed and sent to the Graveyard during your opponent's turn: Special Summon this card" is a Trigger Effect that activates in the Graveyard. (This effect is mandatory. It also activates during the Damage Step.)
If multiple "Artifact Beagalltach" cards set in the Spell & Trap Zones are destroyed and sent to the Graveyard simultaneously during your opponent's turn, each of their "Special Summon this card" effects will activate in a Chain.
The effect "If this card is Special Summoned during your opponent's turn" is a Trigger Effect. (This effect is mandatory. It also activates during the Damage Step.)
The effect "If this card is Special Summoned during your opponent's turn" does not target.
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