I think that Bontu has seen some play in the sideboard of some sacrifice decks or as a way to refuel, but the others dont do anything the turn they come down which is a no-no for something that costs 5 mana
Dreamshaper Shaman They played it pretty safe with Dreamshaper Shaman, which is fair considering its an uncommon
Favorites include Dreamscape Artist, Diplomatic Escort, Jaya Ballard, Psychic Frog, Skirge Familiar to add mana, Stronghold Biologist and Machinist to counter creature/noncreature spells, but my two all-stars would be Chamber of Manipulation and Overtaker, turning your land cards into creature-stealing effects for fun and profit
While it seems unfair on its surface, there are plenty of strategies that kill you around turn 6 anyway, so let her have her little emblem