Sears.ca has new listings for both Onslaught and Scattershot. Onslaught was still in stock as of this post.
http://www.sears.ca/product/transfor...00141002-B4663
http://www.sears.ca/product/transfor...00141002-B4664
Added bonus.. $10 off coupon code for orders $50+ = 941612691