- The Special Summon of this monster doesn’t start a Chain. Sending 1 card from your Spell & Trap Card Zone to the Graveyard is not an effect.
- The text "You can only Special Summon this card by sending 1 card from your Spell & Trap Card Zone to the Graveyard." of "Card Breaker" is the procedure used to Special Summon "Card Breaker". It is not treated as an effect of an Effect Monster.