Thorin, Son of Durin

Other Dwarves you control get +1/+2.
Other Warriors you control get +2/+1.
Whenever Thorin attacks, creatures you control
gain lifelink until end of turn.
{b}{r}{g}{w}{4}{t}: Exile Thorin, Son of Durin, then return him battlefield transformed. Activate this ability only when you can cast a sorcery.