Better(?) look at the other Pendulumgraph card from the poster.
Jikuu no Pendulumgraph / Pendulumgraph of Spacetime
You can only use the (2) effect of “Pendulumgraph of Spacetime” once per turn.
(1) Spellcaster-Type monsters you control cannot be targeted by your oppnent’s Trap Effects.
(2) You can target 1 “Magician” Pendulum Monster in your Monster Zone or Pendulum Zone, and 1 card your opponent controls; destroy them, if you do not destroy 2 cards, you can send 1 card on the field to the Graveyard.