Rohgahh of Kher Keep [Legends] Friday Night Magic 2012 Set: Guilds of Ravnica Type:

Set: Guilds of Ravnica Type: Instant Rarity: Rare Cost: {1}{B} Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard

no oath to swear

Then I go the other way

Set: Commander 2014 Type: Creature — Human Cleric Rarity: Rare Cost: {W}{W} During your turn

Rohgahh of Kher Keep [Legends] Friday Night Magic 2012 Set: Guilds of Ravnica Type:Set: Legends Type: Legendary Creature Kobold Rarity: Rare Cost: {2}{B}{B}{R}{R} At the beginning of your upkeep, you may pay {R}{R}{R}. If you don't, tap Rohgahh of Kher Keep and all creatures named Kobolds of Kher Keep, then an opponent gains control of them. Creatures you control named Kobolds of Kher Keep get +2 +2.