Hearthstone: Blackrock Mountain - Two new cards Dragon Egg & Dragonkin Sorcerer

Dragon Egg:

1 mana 0/2 neutral minion

Ability: Whenever this minion takes damage summon a 2/1 Whelp

Dragonkin Sorcerer:

4 mana 3/5 neutral dragon

Ability: Whenever you target this minion with a spell, gain +1/+1