Set: Avacyn Restored Type: Creature — Human Cleric Rarity: Uncommon Cost: {3}{W} {2}{W}
Set: Scars of Mirrodin Type: Creature — Serpent Rarity: Common Cost: {5}{U}{U} Scrapdiver Serpent can't be blocked as long as defending player controls an artifact
Sacrifice Ouphe Vandals: Counter target activated ability from an artifact source and destroy that artifact if it's on the battlefield
That you find them at all means it's still close at hand
Set: Ravnica: City of Guilds Type: Legendary Creature — Gorgon Rarity: Rare Cost: {4}{B}{B}{G}{G} {G}: Target creature blocks Sisters of Stone Death this turn if able
Battering Ram [Antiquities] Vampire Scout Set: Avacyn Restored Type: CreatureSet: Antiquities Type: Artifact Creature Construct Rarity: Common Cost: {2} At the beginning of combat on your turn, Battering Ram gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)