This card's rarity contributes to the solid price, with near-mint (NM) copies consistently commanding $40 or more
Theres nothing wrong with using it that way
Like any collectible, the long-term appreciation value is anyone's guess and will depend on how long McDonalds runs the promotion, how many cards are circulated, and how many serious Pokemon TCG collectors are looking to complete their sets
Dialga ex (Steel / Space-Time Smackdown) Dialga's power comes in its main attack, which allows it to do 30 damage and apply two Steel energy to a benched Pokemon of your choice, rapidly charging them up
Charizard GX has 250 HP, so its a great defensive Pokmon too
Funnily enough, although ripple is written as Ripple N in the comprehensive rules implying that any number could be used in a ripple effect, the only printed ripple cards have Ripple 4. This leaves the door open for possible future cards to have different numbers if by some off-chance we see the mechanic again