Magic Jammer [DTP1-EN018] Common 2017 Mega-Tins Mega Pack If you control another monster

If you control another monster

If this card was Tribute Summoned by Tributing a WATER monster

and the dawn of true power

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 1600 Defense: 1800 Your opponent cannot select another Spellcaster-Type monster of your side of the field as an attack target

UFOroid + 1 Warrior-Type monster A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters

Magic Jammer [DTP1-EN018] Common 2017 Mega-Tins Mega Pack If you control another monsterSet: Duel Terminal Preview Card type: Counter Trap Rarity: Common Discard 1 card. Negate the activation of a Spell Card and destroy it.