Pale

Healing Infusion: As an Action, a character can spend 1 Hit Dice, and regain Hit Points equal to the total rolled and add your Constitution modifier to it. The Stone can't be used again until 2 days have passed.

Change the Fates: Fate betrays you, the stone cracks to twist it to your favor. Whenever you make an attack roll, an ability check, or a saving throw, and you fail. You may choose to reroll and keep the new result. Once you use this ability it may never be used again.

Gold

Healing Infusion: As an Action, a character can spend 2 Hit Dice, and regain Hit Points equal to the total rolled and add your Constitution modifier to it. The Stone can't be used again until 2 days have passed.

Strength of a thousand: You bring forth great power the stone cracks, the battle you fought comes rushing back to you and empowers your attack with the might of all of those who fought in the war your next attack or Saving throw has super-advantage when that happens, you roll a third d20 when you make the roll. Once you use this ability it may never be used again.

Crimson

Healing Infusion: As an Action, a character can spend 2 Hit Dice, and regain Hit Points equal to the total rolled and add your Constitution modifier to it. The Stone can't be used again until 1 day has passed.

World Rebirth: When you fall the stone cracks, the world you helped saved wishes to repay your favor. The first time you would drop to 0 hit points as a result of taking damage, instead, you drop to 1 hit point as the stone cracks and fills you with energy. When this ends your body is forever changed. Once you use this ability it may never be used again.