Teneb, the Harvester [Commander 2011] Standard Showdown Promos Set: Lorwyn Type: Creature —

Set: Lorwyn Type: Creature — Giant Warrior Rarity: Common Cost: {2}{R} Blind-Spot Giant can't attack or block unless you control another Giant

Noggles believe that they were the first race ever to walk Shadowmoor

but the lamia is drawn to madness

Set: Mercadian Masques Type: Creature — Dryad Rarity: Uncommon Cost: {2}{G} If an opponent controls an Island and you control a Forest

They only specify the consequences should you fail

Teneb, the Harvester [Commander 2011] Standard Showdown Promos Set: Lorwyn Type: Creature —Set: Commander 2011 Type: Legendary Creature Dragon Rarity: Rare Cost: {3}{W}{B}{G} Flying Whenever Teneb, the Harvester deals combat damage to a player, you may pay {2}{B}. If you do, put target creature card from a graveyard onto the battlefield under your control.