Ancient Rules (Purple) [DL13-EN016] Rare Warrior Once per turn: You can

Once per turn: You can Tribute 1 WATER monster you control to target 1 face-up card your opponent controls

Set: Invasion of Chaos Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 1000 Then this card is destroyed and sent to the Graveyard as a result of battle

The original ATK of that monster is halved until the end of this turn

and if it is a Spell/Trap Card

Set: Battle Pack 2: War of the Giants Card type: Equip Spell Rarity: Mosaic Rare The equipped monster gains 300 ATK for each monster your opponent controls

Ancient Rules (Purple) [DL13-EN016] Rare Warrior Once per turn: You canSet: Duelist League Promo Card type: Normal Spell Rarity: Rare Special Summon 1 Level 5 or higher Normal Monster from your hand.