Silent Arbiter [Conspiracy] XY103 You can only use this

You can only use this effect of "Ghost Mourner & Moonlit Chill" once per turn

During your Main Phase: You can activate this effect

Lustrous" once per turn

If you would begin your turn while Time Vault is tapped

Set: Champion Pack 2 Card type: Trap Card Rarity: Rare During your opponent’s turn: Target 1 face-up monster your opponent controls whose ATK is less than or equal to their LP

Silent Arbiter [Conspiracy] XY103 You can only use thisSet: Conspiracy Type: Artifact Creature Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat. No more than one creature can block each combat. Scholars say that arbiters exist on every world, created by an unknown hand to enforce justice.