Master Duel

Time Thief Deck Introduction(クロノダイバー)

April 30, 2026 · Updated July 31, 2026 · Master Duel

Deck Guides

Time Thief Deck Introduction(クロノダイバー) covers how the Time Thief strategy actually plays: what the engine searches, how boards are built, and which cards matter most in current formats.

Deck identity

Time Thief is built around Rank climbing and Xyz toolbox plays. The core loop is to convert early searches and extends into a resilient board, then use follow-up to punish overextension.

This overview is especially useful for Master Duel and TCG players comparing pure and hybrid builds.

Key cards to know

Priority names in most Time Thief lists include Ready Fusion, Beaver Warrior, Phantom Knights' Fog Blade, Elemental HERO Electrum, SPYRAL Super Agent, and SPYRAL Resort. Study their search/extend timing first—tech cards only matter after the engine is consistent.

Additional pieces often seen in sample lists: Schwarzschild Limit Dragon, ZS - Ascended Sage.

Build notes

A practical Time Thief build usually keeps a dense engine package, enough extenders to play through one interruption, and a flexible non-engine slot for hand traps or board breakers depending on the expected metagame.

When testing, track which starters are brick-prone and which extenders are redundant. Cut low-impact one-ofs before cutting engine density.

How to practice

Solo combo until you can sequence the main line without hesitation, then practice interrupted lines (Ash, Imperm, Nibiru windows). After that, tune ratios for your local or Master Duel ladder meta.

Use the related cards section below as a checklist while refining your deck list.