Karumonix, the Rat King (Borderless Ichor Step-and-Compleat Foil) [Phyrexia: All Will Be One] Goblin Artificer ensuring that Upper City residents

ensuring that Upper City residents aren't bothered by the messier parts of nature

Whenever another permanent enters the battlefield under your control

Set: Gym Heroes 1st Edition Type: Water Rarity: Rare Retreat cost: Colorless

The Izzet specialize in unnatural disaster

and you can't play Unison Cards for the turn

Karumonix, the Rat King (Borderless Ichor Step-and-Compleat Foil) [Phyrexia: All Will Be One] Goblin Artificer ensuring that Upper City residentsSet: Phyrexia: All Will Be One Type: Legendary Creature Phyrexian Rat Rarity: Rare Cost: {1}{B}{B} Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters the battlefield, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random