Tamiyo's Journal (#272)

Type: Legendary Artifact — Book

Text: At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
{T}, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.

Entry 434: There's more to Avacyn's madness . . .

Set: Innistrad Remastered (#272)