Shriekmaw [Lorwyn Promos] Merfolk Soldier Set: Revised Edition Type: Artifact

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

As long as the top card of your library is black

Set: From the Vault: Exiled Type: Sorcery Rarity: Mythic Cost: {2}{U} As an additional cost to cast this spell

My healers had much work to do

If a land card is discarded this way

Shriekmaw [Lorwyn Promos] Merfolk Soldier Set: Revised Edition Type: ArtifactSet: Lorwyn Promos Type: Creature Elemental Rarity: Rare Cost: {4}{B} Fear (This creature can't be blocked except by artifact creatures and or black creatures.) When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)