Princess, Golden Retriever

Partner with Haldan, Avid Arcanist
Haste
Whenever Princess, Golden Retriever attaks,
exile the top card of each players library and
put a fetch counter on each of them.
Put a +1/+1 counter on Princess, for each noncreacture card exiled this way.
The cuteness in his eyes was the worst thing
the enemy could trust.