Magic the Gathering: Revised (Base Set) card 141 Chaoslace

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

*Name: Chaoslace
Type: Instant
Play Cost: 1 Mountain
Game Text: Target spell or permanent becomes red. (Its mana symbols remain unchanged.)
*Source: gatherer.wizards.com