To be clear, this is not a text errata or rule change and is only implemented due to the practical limitations of a webcam tournament.
Creature - Spirit Wolf Color tag templates(None) Hollowhenge Overlord Flash At the beginning of your upkeep, for each creature you control that's a Wolf or a Werewolf, create a 2/2 green Wolf creature token
Its proven to be a damn good combination with bounce lands and cards like Amulet of Vigor, allowing you to start a sequence where you bounce a land, generate 2 mana, return another land to your hand, play it, tap to generate mana, play another land, generate 1 more mana, and so on
Also, check out the full card images at the Magic: The Gathering Card Image Gallery
Every card that exists on Arena and is legal in Pioneer is legal in Explorer, and nothing more than that
Jason Alt: Honestly, a lot of these colored-yet-devoid Eldrazi are the more interesting ones