Use it to stall until you draw a Magic Card to turn the duel around
You can only use each effect of "Chaos Betrayer" once per turn
It adds new gameplay elements like Trap and Ritual Spell Cards, enhancing strategic depth, as well as Alignment a mechanic centred around elements where the stronger attribute completely destroys the opponent monster
The best time to play this card is when your opponent has spent a bunch of their resources on bringing out a big monster, like Saryuja Skull Dread or Borreload Dragon
If you control a non-Pendulum "Vaalmonica" monster, take 2 "Vaalmonica" Pendulum Monsters with different names from your Deck, add 1 of them to your hand, and add the other to your face-up Extra Deck
SE Secret Rare Chaos Emperor, the Dragon of Armageddon X DARK Level 8 [ DragonPendulumEffect ] ATK 3000 DEF 2500 P Scale 1 You can pay 1000 LP, then target 1 of your banished Dragon monsters