The Lord of the Rings: Tales of Middle-earth

Éomer of the Riddermark | Legendary Creature | Human Knight | Haste Whenever Éomer of the Riddermark attacks, if you control a creature with the greatest power among creatures on the battlefield, create a 1/1 white Human Soldier creature token. | John Di Giovanni

Shadowfax, Lord of Horses | Legendary Creature | Horse | Horses you control have haste. (They can attack and {T} as soon as they come under your control.) Whenever Shadowfax, Lord of Horses attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking. | Valera Lutfullina