D/D Savant Kepler (Common)

Pendulum Effect You cannot Pendulum Summon monsters, except D/D monsters. This effect cannot be negated. Once per turn, during your Standby Phase: Reduce this card's Pendulum Scale by 2 (min. 1), then destroy all monsters you control with a Level greater than or equal to this card's Pendulum Scale, except D/D monsters. Monster Effect If this card is Normal or Special Summoned: You can activate 1 of these effects. You can only use this effect of D/D Savant Kepler once per turn.
* Target 1 other D/D card you control; return it to the hand.
* Add 1 Dark Contract card from your Deck to your hand.