Effect
While you control another "Noble Knight" monster, your opponent cannot target your monsters with less than 1800 ATK, except this card, with card effects, and their monsters cannot target them with attacks. If a "Noble Arms" Equip Spell becomes equipped to this card: Target 1 face-up card on the field; destroy that target. You can only use this effect of "Noble Knight Drystan" once per turn.
The effect "①: As long as you control another 'Noble Knight' monster, your opponent cannot target monsters you control with less than 1800 ATK for attacks or with card effects, except this card" is a Continuous Effect.
The effect "(2): If this card is equipped with a 'Noble Arms' Equip Spell Card, target 1 face-up card on the field; destroy that face-up card" is a Trigger Effect that must be activated. (This effect targets. It can also be activated during the Damage Step.)
If you activate the effect of "Noble Knight Tristan" when it is equipped with a "Noble Arms" Equip Spell Card, but there are no cards on your opponent's field, you must target a card on your own field to activate the effect.
If the targeted card is face-down at the time of effect resolution, that card is not destroyed.
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