'Asteria, Shadow of the Triskele'

Draw a card and gain +1 mana next turn. 'The gods whisper secrets to those who listen.'

+1 attack if attacking a card with health > yours. 'The flame of rebellion burns brightest in darkness.'

Destroy a random enemy card with cost <= this card's cost. 'Even in death, the shadow spreads.'

+1 health for each friendly card with 'Shadow' attribute. 'The faithful gather under her wings.'