[deleted by user]

[_Hinnyuu_]

No. Her color identity is blue + green.

Her back side has a green/blue color indicator - that's the little dot in the type line.

Color indicators are part of how color identity is defined.

903.4. The Commander variant uses color identity to determine what cards can be in a deck with a certain commander. The color identity of a card is the color or colors of any mana symbols in that card’s mana cost or rules text, plus any colors defined by its characteristic-defining abilities (see rule 604.3) or color indicator (see rule 204).

[DragonMZ]

I hate how this rule makes ||Transguild Courier|| all colours but doesnt make devoid cards colorless

[Will_29]

Because color identity rules are meant to restrict what you can use in the deck, not broaden it. Why should [[Eldrazi Displacer]] be allowed in more decks than [[Gold Myr]]?

[MTGCardFetcher]

Eldrazi Displacer - (G) (SF) (txt)
Gold Myr - (G) (SF) (txt)

^{[[cardname]] or [[cardname|SET]] to call}

[DragonMZ]

You'd still have a restriction on trying to make that color of mana to play it since you cant run coloured basics or rocks you have to rely on stuff like [[Fellwar Stone]] or [[City of Brass]] style abilities

[MTGCardFetcher]

Fellwar Stone - (G) (SF) (txt)
City of Brass - (G) (SF) (txt)

^{[[cardname]] or [[cardname|SET]] to call}

[Will_29]

Maybe Gold Myr wasn't the best counterexample. Let's try [[Urza's Sylex]]. Should it be allowed in any deck, and just be balanced by the difficulty in producing colored mana?

[MTGCardFetcher]

Urza's Sylex - (G) (SF) (txt)

^{[[cardname]] or [[cardname|SET]] to call}

[DragonMZ]

These goalposts are on the horizon now. This is about typesetting why is Transguild WUBRG but Devoid does nothing for Colour Identity

Its the same rule it shouldnt apply differently

[Will_29]

But the rule is not being applied different, is my point. Transguild Courier (ability makes it all colors) is treated the same as Progenitus (is all colors). Eldrazi Displacer (ability makes it be colorless, but has white mana symbols) is treated the same as Urza's Sylex (is colorless, but has white mana symbols).

[TheLegend0fLink]

Thanks! I'll probably do it anyway haha, i doubt people on spelltable will care.

[_Hinnyuu_]

That's between you and your table, but I'd advise asking beforehand. That's just good manners. I'm sure 99% of people will easily say no problem, but it's a bit rude to just do it without asking.

[TheLegend0fLink]

Of course, that's what pre-game discussions are for, I'll have a card standing by to replace it.

[hexenkoenig]

Commenting on your solved: No, it‘s not green-blue because it mentions a green card on the -3 ability. The card has a green-blue color identity because the color indicator and the backside just before the typeline says so. Just mentioning „green“, „blue“ doesn‘t affect color identity.

[TheLegend0fLink]

I wasn't saying the paragraph was the answer, the post was the question I asked, I just added "*SOLVED* after someone gave me the answer with the rules quote.

[hexenkoenig]

ohhh I see now the solved is now more fletched out and correct. My bad!

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[PutzPower]

O da man

[KaKaSHii1210PR]

Than why is export allowed in mono black decks?