Starmie 048 - Reverse Holofoil Deoxys - Uncommon Condition:Lightly Played You cannot Special Summon monsters

You cannot Special Summon monsters

Grass Tackle (10)

this attack does 20 damage plus 100 more damage

the Defending Pokemon’s attacks do 20 less damage (before applying Weakness and Resistance)

but if you do

Starmie 048 - Reverse Holofoil Deoxys - Uncommon Condition:Lightly Played You cannot Special Summon monstersRarityUncommon Card TypePokmon Hit Points70 HP FormStage 1 Evolves from Staryu TypeWater Ability Core Guard As long as Starmie has any Psychic Energy attached to it, damage done to Starmie by attacks is reduced by 10 (after applying Weakness and Resistance). Water Energy Flip Choose 1 of your opponent's Benched Pokmon. This attack does 10 damage to that Pokmon. (Don't apply Weakness and Resistance for Benched Pokmon.) You may move an Energy attached