The action trigger function basically has an ability value correction, and additional effects can be applied by discarding the hand
Pokmon TCG Format Legality View the current Standard format regulation marks and Expanded format banned cards
Most of the boxes I saw opened on camera had at least one copy
Once per turn: You can destroy as many Field Spells on the field as possible, and if you do, gain 1000 LP, then you can add 1 Field Spell from your Deck to your hand." Once per Turn: You can Special Summon 1 Level 4 or lower monster from your hand
In any case, damage prevention effects like you cited above simply reduce the damage before the effect happens, so the effect is reduced accordingly
One example of Lord of the Pit from the Limited Edition Alpha set realized a tremendous $105,000 in a Fanatics Collect Premier Auction held in January 2023