Powerful as the booster that can set it up.
D-LBT02/025 RR 2022 羽ばたく音色 シグネ Flapping Tone, Signe
Grade 1 / Normal Unit / Lyrical Monasterio – Warbeast
Powerful – AUTO (RC) When this unit boosts, if you have no cards in your soul, COST [Counter Blast 1], choose one of your other units, and it gets Power+5000 until end of turn.
AUTO (RC) At the end of the battle this unit boosted, if you have a vanguard with the Powerful ability, Stand this unit, choose one card from your soul, and put it to your drop. (This effect is mandatory)