Rat Rogue is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

How it works : Rat Rogue

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

Interactions with other cards

These cards' text mentions Rat Rogue.

Tribute to Horobi // Echo of Death's Wail

(As this Saga enters and after your draw step, add a lore counter.) I, II — Each opponent creates a 1/1 black Rat Rogue creature token. III — Exile this Saga, then return it to the battlefield transformed under your control. Flying, haste When this creature enters, gain control of all Rat tokens. Whenever this creature attacks, you may sacrifice another creature. If you do, draw a card.

Boss Uramon, Shadow's Reach

Shadow (This creature can block or be blocked by only creatures with shadow.) Attacking Ninjas and Rogues you control have deathtouch. Whenever one or more Ninjas and/or Rogues you control deal combat damage to a player, create a 1/1 black Rat Rogue creature token.