Astraea, the Midnight Muse

Harmonic Boon — At the beginning of your upkeep, each player may draw a card. For each opponent who does, you create a Treasure token.

{u}{u}{b}{b}{t}: Gain control of a creature target opponent controls for as long as you control Astrea, the Midnight Muse.

"Her melodies whisper of forgotten dreams and stolen secrets, luring even the wise into the waltz of midnight fate."