Your search for "Ruin Rat 75" revealed the following:
Ruin Rat (HOU) from Hour of Devastation, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Shreya Shetty Card Text:DeathtouchWhen Ruin Rat dies, exile target card from an opponent's graveyard.
Ruin Wall - 74/75 - Uncommon - Unlimited from Neo Discovery Unlimited, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: "Big Mama" Togawa, CR CG gangs Card Text:Search your deck for a card with Unown in its name...
Ruin Rat - HOU Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Shreya Shetty Card Text:DeathtouchWhen Ruin Rat dies, exile target card from an opponent's graveyard.