D/D Savant Galilei

Level 10 PS 1 DARK/Fiend Pendulum Effect
0 ATK / 0 DEF

[ Pendulum Effect ]
You cannot Pendulum Summon monsters, except "D/D" monsters. This effect cannot be negated. Once per turn, during your Standby Phase: Increase this card's Pendulum Scale by 2 (max. 10), then destroy all monsters you control with a Level less than or equal to this card's Pendulum Scale, except "D/D" monsters.

[ Monster Effect ]

During either player's turn: You can discard this card, then target 1 "D/D" or "Dark Contract" card you control; return it to the hand. You can only use this effect of "D/D Savant Galilei" once per turn.

Rulings – Yugipedia

Printings:

Dimension of Chaos: DOCS-EN091 (Common) - 2015-11-05
2016 Mega-Tin Mega Pack: MP16-EN166 (Common) - 2016-09-01
Pendulum Domination Structure Deck: SDPD-EN010 (Common) - 2017-01-19

Prices:

Cardmarket: 0.02 €
TCGplayer: $ 0.05