Krenko, Awakened Leader

X: Add X 1/1 Red Goblin Creature Tokens, where X is the number of Goblins you control.
-X: Search your Library for a Goblin card with mana cost X and put it in your hand. If played this turn, it gains haste. Shuffle your Library.
-20: You get an emblem that says, "Goblin creatures that you control have Haste, First Strike, and {4}:Regenerate this creature."