Cockatrice
He's the original Angry Bird.

Arcane: Mountain
Base Rarity: Rare
Troop Type: Monster
Troop Role: Generator
Troop Id: K16_01 / 6114
Max skills: 12    32    16    0
Kingdom: Maugrim Woods
Kingdom Id: 3008
Trait #1: Nimble
Immunity to Entangle.
Trait #2: Air Link
Gain bonus Yellow Mana from Yellow Gem matches.
Trait #3: Entrapment
Deal double Skull damage vs. Entangled enemies.
Spell: Stone Song
Description: Entangle an Enemy, and drain all Mana from them. Create 6 Brown Gems, boosted by Mana drained. [4:1]
Mana Color: Yellow, Brown
Mana Cost: 10
Spell Id: 7206