Slugma (67/90) [HeartGold & SoulSilver: Undaunted] Lightning Set: Gladiator's Assault Card type:

Set: Gladiator's Assault Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Change all Attack Position monsters to Defense Position

but it is sent to the Graveyard during the End Phase

your opponent's monsters that have the same Attribute as the monster removed by this effet cannot declare an attack

you can Special Summon 1 Union Monster of Level 4 or lower from your hand

Set: Astral Pack 3 Card type: Effect Monster Rarity: Common Attack: 500 Defense: 600 Once per turn: You can change this card to face-down Defense Position

Slugma (67/90) [HeartGold & SoulSilver: Undaunted] Lightning Set: Gladiator's Assault Card type:Set: HeartGold & SoulSilver: Undaunted Type: Fire Rarity: Common Retreat cost: Colorless,Colorless