Unknown Synchron [LC5D-EN022] Secret Rare BT6-098 If this Normal Summoned/Set card

If this Normal Summoned/Set card is on the field (Quick Effect): You can target 1 face-up opponent's monster that was Special Summoned from the Extra Deck

when a Zombie monster

Malebranche of the Burning Abyss"

or Pendulum Summoned: You can target 1 other "tellarknight" or "Zefra" card in your Monster Zone or Pendulum Zone

Unknown Synchron [LC5D-EN022] Secret Rare BT6-098 If this Normal Summoned/Set cardSet: Legendary Collection 5D's Card type: Tuner Effect Monster Rarity: Secret Rare Attack: 0 Defense: 0 If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). You can only use the effect of "Unknown Synchron" once per Duel.