Giant Rat [TP4-011] Common Kuriboh Kollection Set: Wizards of the Coast:

Set: Wizards of the Coast: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

you can discard 1 "Iron Core of Koa'ki Meiru" to have all face-up "Koa'ki Meiru" monsters you control gain 1000 ATK until the End Phase

Set: Structure Deck: Spellcaster's Judgment Card type: Effect Monster Rarity: Common Attack: 400 Defense: 800 When this card is successfully Normal Summoned

Set: Sun & Moon: Shining Legends Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

Giant Rat [TP4-011] Common Kuriboh Kollection Set: Wizards of the Coast:Set: Tournament Pack 4 Card type: Effect Monster Rarity: Common Attack: 1400 Defense: 1450 When this card is sent to the Graveyard as a result of battle, you may select 1 EARTH monster with an ATK of 1500 or less from your Deck and Special Summon it to the field (no Tribute is required for monsters of Level 5 or more). The Deck is then shuffled.