Magic the Gathering: Revised (Base Set) card 208 Lifelace

*Name: Lifelace
Type: Interrupt
Play Cost: 1 Forest
Game Text: Changes the color of one card either being played or already in play to green. Cost to cast, tap, maintain, or use a special ability of target card remains entirely unchanged.
*Source: Front of card

*Name: Lifelace
Type: Instant
Play Cost: 1 Forest
Game Text: Target spell or permanent becomes green. (Mana symbols on that permanent remain unchanged.)
*Source: gatherer.wizards.com