Byblos [Emissaries of Light]

When your opponent discards 1 or more cards from their hand due to your Summons or abilities, choose 1 Forward opponent controls. Dull it and Freeze it.
Damage 3 — 0: Until the end of the turn, Byblos also becomes a Forward with 7000 power and "When Byblos attacks, your opponent discards 1 card from their hand." You can only use this ability once per turn.