flavorText: The wizard consulted the Riptide Project about how to further his research. He wasn't prepared for what they told him.
name: Riptide Chronologist
originalText: {U}, Sacrifice Riptide Chronologist: Untap all creatures of the type of your choice.
printings: ONS
text: {U}, Sacrifice this creature: Untap all creatures of the creature type of your choice.
type: Creature — Human Wizard