Book of Bugs

{3}{b}{g}, {t}: throw book of bugs at target card(s). the card must go at least 1/2 feet off the table. each card the book of bugs touches upon landing is now either a 0/1 Indestructible cockroach token, a 1/1 Deathtouch spider token, or a 1/1 flying Fly token under your control. Exile Book of Bugs.