Vampire Hunter Christie (SDL4-010) [Starter Deck: Swarming Elves]

When this card enters your field —> If you played two or more cards this turn, this card and target J/resonator your opponent controls deal damage equal to their ATK to each other. G: This card gains [+200/+200] until end of turn. Play this ability only if your J/ruler is "Fiethsing, Six Sage of Wind" or "Fiethsing, Master Magus of Holy Wind".