Chain Lightning [Legends] 108 When a Defense Position monster

When a Defense Position monster on your opponent''s side of the field is destroyed and sent to the Graveyard by this card as a result of battle

The Arbiter is a conduit of justice

Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {3} No more than two creatures can attack you each combat

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} {4}

but if you do

Chain Lightning [Legends] 108 When a Defense Position monsterSet: Legends Type: Sorcery Rarity: Common Cost: {R} Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.