Goblin Tutor

Roll a six-sided die. If you roll a 1, Goblin Tutor has no effect. Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle your library.
2 — A card named Goblin Tutor
3 — An enchantment card
4 — An artifact card
5 — A creature card
6 — An instant or sorcery card