When using this card as a Synchro Material Monster, the other Synchro Material Monster is 1 monster in your hand. The Synchro Monster that used this card as a Synchro Material Monster cannot activate its effects, its effect(s) is negated, and is removed from play when removed from the field.
![Eccentric Boy [DP09-EN014] Super Rare | Black Swamp Games](http://blackswampgames.com/cdn/shop/products/7e5fb0b0-7ca1-5d05-b93d-9374d91f5564.png?v=1643070528)
