Slippery Bogle [Ultimate Masters] SM167 if you link Summon a

if you link Summon a "Prank-Kids" Link Monster (except during the Damage Step): You can have all monsters your opponent controls lose 500 ATK (even if this card leaves the field)

Set: Fossil 1st Edition Type: Grass Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Shining Legends Type: Lightning Rarity: Common Retreat cost: Colorless

You can only use this effect of "Ghost Belle & Haunted Mansion" once per turn

Set: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Mosaic Rare Attack: 700 Defense: 600 During either player's Battle Step

Slippery Bogle [Ultimate Masters] SM167 if you link Summon aSet: Ultimate Masters Type: Creature Beast Rarity: Uncommon Cost: {G U} Hexproof (This creature can't be the target of spells or abilities your opponents control.) Ogle the bogle, or goggle the boggle? Doesn't matter. You weren't going to catch it anyway.