There usually are not very lots of them.

First, let’s clear some unfavorable instances out of the best way:

• Many mechanics restate a value of their reminder textual content that seems earlier than the reminder textual content: biking (Thornado) and eternalize (Dreamstealer) for instance. We’re not counting these.
• Phyrexian mana and hybrid mana include reminder textual content about learn how to pay that value. Like these mechanics, it is simply explaining a value that already exists on the cardboard. Also not counted.

Mechanics

The following mechanical options include reminder textual content that makes use of a coloured image that does not simply correspond to a price already expressed:

• Extort as famous all the time consists of the image {W/B} in its reminder textual content.
• Devotion has reminder textual content that usually features a mana image, however is (to this point) completely used this fashion on playing cards that already featured that mana image.
• Cards with land sorts include reminder textual content about their intrinsic mana talents: for instance Steam Vents and Molten Tributary.

… and that is it.

One-off playing cards

There’s additionally a few one-off playing cards that do that, giving the coloured image for instance:

Sourcing

How do we discover these things, affirm it, or discover out if it is modified?

Searching by way of Scryfall

We can search Scryfall fairly helpfully with regex:

This helps us discover the above instances.

Searching by way of complete guidelines

If we search by way of the comp guidelines, e.g. at Yawgatog’s reference, we might search for all of the occurrences of the textual content pay {, which might be the beginning of a value. Some of these are going to be within the key phrase talents/actions part.

There’s solely 12 occurrences for that on the web page, and there is just one mechanic that has a coloured image in its definition: Extort.