Gate of Darkness Dragon (PR/0304EN) (PR)

[Set] (This card remains on the field.)
At the beginning of your opponent's main phase, choose up to two size 1 or less monsters in your drop zone, and you may pay 1 gauge. If you do, call the chosen card to your left or right by paying its [Call Cost]. You may only use this ability once per turn.
When this card is put from the field into the drop zone, deal 1 damage to your opponent!
You may only [Set] one "Gate of Darkness Dragon" on your field.