Clifftop Rumbler

Trample, Rampage 2 (Whenever this creature is blocked by more than one creature, it gets +2/+2 until end of turn for each creature blocking it beyond the first)
{4}: Clifftop Rumbler gains double strike until end of turn.
Whenever a mountain enters the battlefield under your control, Clifftop Rumbler deals 3 damage to any target.
"Clifftop rumbler giants are especially angry about intrusion into their cliffs, avoid their cliffs by all means"
—Zerod, Morodin geographer