TCG Rulings

• Removing from play 1 monster is a cost to activate “Berserker Crush.”^[1]

• “Berserker Crush” targets 1 face-up “Winged Kuriboh” you control.^[1]

• You can activate “Berserker Crush” during the Damage Step.^[1]

OCG Rulings

• Removing from play 1 monster is a cost to activate the card.^[2]

• This card targets 1 "Winged Kuriboh".^[2]

• You can activate this card during the Damage Step.^[3]

References

1. ↑ ^{1.0 1.1 1.2} Konami Gameplay FAQ: Hidden Arsenal – Card Rulings (Version 1.0)
2. ↑ ^{2.0 2.1} Konami FAQ Spell Cards > Berserker Crush
3. ↑ Konami FAQ Can "Berserk Crush" be activated during the Damage Step?