CardName: Prism Stone
Cost: 1
Type: Artifact
Pow/Tgh: /
Rules Text: {1},{T}: Choose a color and put a Gemstone counter on Prism
Stone.
{T}: Add one mana of any previously chosen color to your
mana pool.
Flavour Text:
Set/Rarity: Edwin's cards Common
Prism Stone
C
Artifact
,: Choose a color and put a Gemstone counter on Prism Stone.
: Add one mana of any previously chosen color to your mana pool.
Err, that would be right, except that that's not what this card is doing. This allows you to, for example, add a Gemstone for Red and a Gemstone for Blue and then allows you to tap for either Red or Blue.
: Choose a color and put a Gemstone counter on Prism Stone.
Do a gatherer search for Chromatic Armor.
"The last chosen" is the wording, not "previously chosen."
Err, that would be right, except that that's not what this card is doing. This allows you to, for example, add a Gemstone for Red and a Gemstone for Blue and then allows you to tap for either Red or Blue.