[ Machine / Effect ]You can reveal 1 other "B.E.S." monster in your hand; Special Summon this card from your hand, then place 3 counters on it.
During the Main Phase (Quick Effect): You can remove 1 counter from this card, then activate 1 of these effects;
● Add 1 "Boss Rush" or 1 Spell/Trap that mentions it from your Deck to your hand.
● Special Summon 1 Level 9 or lower "B.E.S." monster from your GY.
You can only use each effect of "B.E.S. Derringer Core" once per turn.
ATK/ 1900
DEF/ 3000
LIGHT
10
