What was the development code name for the "Urza's Destiny" expansion for "Magic: The Gathering", released in 1999?

The development code name for the Urza's Destiny expansion for Magic: The Gathering, released in 1999, was Chimichanga. The specific reason behind choosing this particular code name is unknown as it might have been randomly selected or simply an amusing and unrelated choice by the development team. Code names are often chosen to keep the actual title of the expansion under wraps during the development process and to prevent leaks or spoilers.