Goblin-Throwing Troll

When Goblins-Throwing Troll becomes tapped, roll 1d4 and summon red tokens:
1: 4 red Goblin - Rank 1 tokens.
2: 3 red Goblin - Rank 2 tokens.
3: 2 red Goblin - Rank 3 tokens.
4: a red Goblin - Rank 4 token.
"RAAWWRGHRRAAWRRR!"