Avacyn's Collar [Dark Ascension] Nightmare Horror When Ancestral Knowledge leaves the

When Ancestral Knowledge leaves the battlefield

Set: Magic 2012 Type: Creature — Crocodile Rarity: Common Cost: {2}{G} Bloodthirst 1 (If an opponent was dealt damage this turn

Set: Shadows over Innistrad Prerelease Promos Type: Sorcery Rarity: Rare Cost: {1}{W} Exile target creature and all other creatures its controller controls with the same name as that creature

Goblin designers sought out the highest quality skulls

and if it would die this turn

Avacyn's Collar [Dark Ascension] Nightmare Horror When Ancestral Knowledge leaves theSet: Dark Ascension Type: Artifact Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1 +0 and has vigilance. Whenever equipped creature dies, if it was a Human, create a 1 1 white Spirit creature token with flying. Equip {2}