Heavy Knight of the Flame (SGX3-ENC12) [Speed Duel GX: Duelists of Shadows]

This card is treated as a Normal Monster while face-up on the field or in the GY. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
<br>• At the start of the Damage Step, if this card attacked a Special Summoned monster: You can banish that monster.