Any damage done to Dewgong by attacks from your opponent's Pokémon that has Delta Species on its card is reduced by 40 (after applying Weakness and Resistance).
Ice Beam
Damage: 20
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Surge
Damage: 40
- 60
If Dewgong has at least 2 Energy attached to it, this attack does 40 damage plus 20 more damage.