Craghelm

Craghelm enters the battlefield tapped unless
you control 3 or more Goblins, when Craghelm enters the battlefield gain 5 life.
{t} add {r}{r}, {b}{r} or {b}{b} to your mana pool.
"The Goblins of Craghelm are as violent as they are greedy and ugly." ~ King Lordavax of the Highland Clans.