Dauntless Dourbark [Lorwyn] Merfolk Scout Ranger destroy this card unless you

destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock-Type monster in your hand

Mirrodin's artificial environment requires its own predators

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 300 When this card is Normal or Special Summoned: You can activate 1 of these effects

Set: Planar Chaos Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {2}{U}{U} At the beginning of each player's upkeep

Dauntless Dourbark [Lorwyn] Merfolk Scout Ranger destroy this card unless youSet: Lorwyn Type: Creature Treefolk Warrior Rarity: Rare Cost: {3}{G} Dauntless Dourbark's power and toughness are each equal to the number of Forests you control plus the number of Treefolk you control. Dauntless Dourbark has trample as long as you control another Treefolk.