For five mana, this 5/5 nightmare horror gets +1/+1 for each card its controller's opponents own in exile
But, most important of all, I think Brian Braun-Duin has the right idea
Nope, he also gives your other guys trample, so they can smash face with the best of them
Olivia's Attendants is an expensive card, costing a whopping six mana unless you have Strefan and two Blood tokens already available, and then they can be dropped onto the battlefield super-fast
Unlock the exact cards you need or upgrade to special rarity versions of cards to show off your favorite Pokmon, Trainers, and places
Summon him enough, and you can throw out a Craterhoof for the price of a Wood Elves