Diamond Mare

As this artifact enters, choose a color.

Whenever you cast a spell of the chosen color, you gain 1 life.

Vigilance (Attacking doesn't cause this creature to tap.)

As this creature enters, choose a color.

Whenever you cast a spell of the chosen color, put a +1/+1 counter on this creature.

As this artifact enters, choose a color.

Whenever a player casts a spell of the chosen color, you may pay . If you do, you gain 2 life.

As this artifact enters, choose two colors.

Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is.

When this creature enters, you gain 2 life.

: Add one mana of any color.

As this artifact enters, choose a creature type.

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.