Kolaghan Forerunners [Dragons of Tarkir] P-102 look at the top four

look at the top four cards of target opponent's library

you gain that much {g}

Goblin Charbelcher deals damage equal to the number of nonland cards revealed this way to any target

Whenever you get one or more {E} (energy counters)

Kolaghan Forerunners [Dragons of Tarkir] P-102 look at the top fourSet: Dragons of Tarkir Type: Creature Human Berserker Rarity: Uncommon Cost: {2}{R} Trample Kolaghan Forerunners's power is equal to the number of creatures you control. Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)