Mox strategy
Kethis, the Hidden Hand is a powerful legend-centric build-around, especially in Commander and combo shells. Its main strengths are cost reduction for legendary spells and turning your graveyard into a second hand for legendary cards, which gives strong card advantage and recursion.
Best use cases: legendary-matters decks, grindy midrange builds, and combo decks that can stock the graveyard with legends quickly. The static discount helps you chain cheap legendary permanents and commanders, while the activated ability lets you rebuy key threats, planeswalkers, and legends from the graveyard.
Strong synergies include self-mill and discard to load the graveyard, legendary lands and permanents that become repeatable resources, and cards that make multiple legendary cards matter at once. It pairs especially well with tutors, sacrifice outlets, and mana-efficient legends to maximize recursive value.
Key mechanics it enables: graveyard casting of legendary cards, cost reduction on legends, and repeated use of powerful legendary permanents. In deck building, prioritize a high legend count; without enough legendary density, Kethis loses a lot of power.
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