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Rules guide · Legendary Creature

Uldaros TheorixHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Reality Fracture· October 2, 2026
Carte Magic Uldaros Theorix

Uldaros Theorix 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.

01

Official card text

Flying When Uldaros Theorix enters, if you cast him, exile up to one target nonland card of each card type from your graveyard. Copy those cards. You may cast any number of spells with total mana value 6 or less from among the copies without paying their mana costs. (Permanent spells cast this way become tokens.)

How it works : Uldaros Theorix

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    If you cast a spell with {X} in its mana cost without paying its mana cost, you must choose 0 as the value for X. This means that X will also be 0 when calculating the mana value of that spell.

    No other card is named in this ruling.

Related cards and tokens

02

Legal formats

standardfuturehistorictimelessgladiatorpioneermodernlegacyvintagecommanderoathbreakerstandardbrawlbrawlcompetitivebrawlalchemyduel
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