Thunderkin Awakener

Thunderkin Awakener

Creature - Elemental Shaman | Power/Toughness: 1 / 2 (CMC 2)
Haste
Whenever Thunderkin Awakener attacks, choose target Elemental creature card in your graveyard with toughness less than Thunderkin Awakener's toughness. Return that card to the battlefield tapped and attacking. Sacrifice it at the beginning of the next end step.