Each untapped creature you control gets +0/+2 as long as it's not attacking
With his standard version also selling for around $14 on average, this is a card thats clearly sought after, regardless of which version it is
Scheduling is unlimited for this event during the Prerelease period
Rotting Regisaur I think that this still is the most efficient creature ever printed, but because of his discard effect, hes also very easy to punish
Banish from Edoras The Battle of Bywater Bill the Pony Boromir, Warden of the Tower Dawn of a New Age Dnedain Blade Eagles of the North Eastfarthing Farmer East-Mark Cavalier owyn, Lady of Rohan Errand-Rider of Gondor Escape from Orthanc Esquire of the King Faramir, Field Commander Flowering of the White Tree Fog on the Barrow-Downs Forge Anew Frodo, Sauron's Bane Gandalf the White Hobbit's Sting Landroval, Horizon Witness Lost to Legend Nimble Hobbit Now for Wrath, Now for Ruin
So you can pay seven mana to transform Ulvenwald Oddity into Ulvenwald Behemoth