Krenko, Mob Boss [Magic 2013]Set: Magic 2013 Type: Legendary Creature Goblin Warrior Rarity: Rare Cost: {2}{R}{R} {T}: Create X 1 1 red Goblin creature tokens, where X is the number of Goblins you control. "He displays a perverse charisma fueled by avarice. Highly dangerous. Recommend civil sanctions." Agmand Sarv, Azorius hussar

exchange control of two target permanents that share a card type

"Finally we understand the lesson of our home: loss begets renewal

Set: Commander 2013 Type: Enchantment Rarity: Rare Cost: {6}{B} Players have no maximum hand size

Cumulative upkeep—Discard a card

Set: Base Set 2 Type: Grass Rarity: Rare Retreat cost: 0

Set: Khans of Tarkir Prerelease Promos Type: Enchantment Rarity: Rare Cost: {U}{R}{W} Whenever you cast a noncreature spell

Set: Lorwyn Type: Creature — Elemental Incarnation Rarity: Rare Cost: {3}{U}{U}{U} Guile can't be blocked except by three or more creatures

exchange its power and the power of target creature it's blocking until end of combat

Set: Black & White: Emerging Powers Type: Fighting Rarity: Rare Retreat cost: Colorless

Set: Team Rocket Unlimited Type: Fighting Rarity: Uncommon Retreat cost: Colorless

Set: Rise of the Eldrazi Type: Creature — Kor Wizard Rarity: Rare Cost: {1}{W} Kor Spiritdancer gets +2/+2 for each Aura attached to it

Set: EX: Team Rocket Returns Type: Fighting Rarity: Rare Retreat cost: Colorless