Tribal Boi

Tribal Boi gets +1/+1 for each different creature type among all non-shapesfiter creatures on the battlefield.
{1}{u}{b}{g}, Sacrifice a creature: Reveal cards from the top of your library untill you reveal a creature card that share a creature type with the sacrificed card. You may put that creature card onto the battlefield. If not, shuffle your libary and draw a card.
When Tribal Boi dies, you draw X cards where X is equal to 7 minus the number of cards in your hand. (If X is a negative number, you