Thunderkin Awakener [Core Set 2020 Prerelease Promos]Set: Core Set 2020 Prerelease Promos Type: Creature Elemental Shaman Rarity: Rare Cost: {1}{R} 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.