Toxic Boxfish

“1 Tuner + 1+ non-Tuner monsters If this card is Synchro Summoned: You can target 1 card in either GY; banish it. If this card is banished: You can target 1 face-up card your opponent controls; negate its effects until the end of this turn. You can only use each effect of "Toxic Boxfish" once per turn.”