Endless Atlas [Commander Masters] Magic 2014 Prerelease Promos you may have Vicious Shadows

you may have Vicious Shadows deal damage to target player equal to the number of cards in that player's hand

exile up to one target nonland permanent

Set: Streets of New Capenna Commander Type: Creature — Spirit Rogue Rarity: Rare Cost: {1}{U} Whenever Ghostly Pilferer becomes untapped

The third deck enhancement expansion to Joking Hazard

Set: Unlimited Edition Type: Enchantment Rarity: Uncommon Cost: {G}{G} {G}{G}: Counter target black spell

Endless Atlas [Commander Masters] Magic 2014 Prerelease Promos you may have Vicious ShadowsSet: Commander Masters Type: Artifact Rarity: Rare Cost: {2} 2, T: Draw a card. Activate this ability only if you control three or more lands with the same name. Guarded by cartographers, disdained by warlords, coveted by adventurers.