Wren's Run Packmaster [Commander 2014] Minotaur Shaman Set: Unstable Type: Artifact Rarity:

Set: Unstable Type: Artifact Rarity: Rare Cost: {4} When Split Screen enters the battlefield

Set: Shadows over Innistrad Type: Creature — Zombie Dog Rarity: Common Cost: {4}{B} Delirium — Hound of the Farbogs has menace as long as there are four or more card types among cards in your graveyard

When enchanted permanent becomes tapped

but it explains much

Wren's Run Packmaster [Commander 2014] Minotaur Shaman Set: Unstable Type: Artifact Rarity:Set: Commander 2014 Type: Creature Elf Warrior Rarity: Rare Cost: {3}{G} Champion an Elf (When this creature enters the battlefield, sacrifice it unless you exile another Elf you control. When this creature leaves the battlefield, that card returns to the battlefield.) {2}{G}: Create a 2 2 green Wolf creature token. Wolves you control have deathtouch.