Oathbreaker question

Asked by Nasser_inside1 4 years ago

Can you, for instance, have Ugin as your oathbreaker, but add in some other color, like colorless for Eldrazi. Would that happen or no?

Pervavita says... #1

If you mean the Devoid mechanic then no, but Eldrazi like Void Winnower then yes that would be fine.

April 29, 2019 8:40 a.m.

Nasser_inside1 says... #2

This one,

April 29, 2019 8:51 a.m.

Caerwyn says... Accepted answer #3

In the future, please use the Rules Q&A for questions regarding rules, cards, or card interactions. Unlike other forum sections, it has some added functionality, such as the ability to "Mark as Answer" a post to indicate you no longer need assistance. Even though Oathbreaker is not an official format, the question you have involves colour identity, which is defined under the rules. I have gone ahead and moved the thread for you.


First off, as a bit of clarification since your post indicated you were not aware of this rule, colourless is not a colour. For example, Ward Sliver instructs you to choose a colour; since colourless is not a colour, you cannot pick colourless for Ward Sliver 's ability.

Moving on, colour identity has three components: (1) The colour's in the card's mana cost; (2) the colours in the card's rules text (not including reminder text); and (3) any colour indicator or characteristic-defining ability which states the card's colour(s).

Let's apply this to Ugin first. While you did not specify which Ugin you were talking about, it does not matter as they both have the same colour identity. Ugin, the Ineffable and Ugin, the Spirit Dragon have (1) no colours in their mana cost; (2) no colours in their rules' text, and (3) no colour indicators or characteristic-defining abilities stating they have any colours. Therefore, their colour identity is colourless--the lack of any particular colour identity.

Let's let's look at a non-Devoid Eldrazi-- Kozilek, Butcher of Truth for example. Kozilek has (1) no colours in its mana cost (as stated above is not a colour); no colours in its rules text; and (3) no colour indicator or characteristic-defining ability. As such, it is also colourless, and can be used in a deck with Ugin as the Oathbreaker.

As Pervavita stated, Devoid would not be allowed with Ugin, as cards with devoid have a coloured mana symbol in their cost and sometimes rules text. These cards fail point (1) and possibly point (2), and therefore have a colour identity of a given colour, even if they themselves are colourless.

April 29, 2019 9:08 a.m.

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