Ravenous Bloodseeker [Shadows over Innistrad] Saga Whenever enchanted artifact becomes tapped

Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost

Set: Mirrodin Besieged Type: Sorcery Rarity: Common Cost: {3}{R}{R} Concussive Bolt deals 4 damage to target player or planeswalker

Set: Eldritch Moon Type: Creature — Human Horror Rarity: Rare Cost: {1}{U} Skulk (This creature can't be blocked by creatures with greater power

Its buzzing is the sound of its inner mechanisms

Ravenous Bloodseeker [Shadows over Innistrad] Saga Whenever enchanted artifact becomes tappedSet: Shadows over Innistrad Type: Creature Vampire Berserker Rarity: Uncommon Cost: {1}{R} Discard a card: Ravenous Bloodseeker gets +2 2 until end of turn. "Nothing will cool the fire in their blood. They are too far gone. We must keep them away from our towns at any cost." Cosper Lowe of the Silbern Guard