Beastking of the Swamps (TP1-014) - Tournament Pack 1 Unlimited Number_REDU-EN081 destroy all Defense Position monsters

destroy all Defense Position monsters your opponent controls after damage calculation

zif this card is destroyed while it is in a Monster Card Zone

it is destroyed after damage calculation

When you do this

Card TextWhen a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card

Beastking of the Swamps (TP1-014) - Tournament Pack 1 Unlimited Number_REDU-EN081 destroy all Defense Position monstersTypeAqua Effect Monster AttributeWATER Level Rank4 ATK DEF1000 1100 Card TextYou can substitute this card for any 1 Fusion Material Monster. You cannot substitute for any other Fusion Material Monster in the current Fusion.