It gives that germ, or whatever else you equip it to, +5/+5, first strike, trample, indestructible, and haste
However you chose to distribute them, whatever behaviors you chose to reward, you'd get the same promos next time aroundprovided you scheduled the same events
PokeBeach has confirmed the finer details of the next Pokemon x McDonald's crossover, further confirming that there will be 15 cards to collect and that you'll have a little over a month to collect them with Pokemon leaving the fast food giant again on February 24, 2025
A few I can think of off the top of my head are Rogues, Zombies, and Faeries
For instance, cards like the Mewtwo Halloween card from the Trick or Trade set have become popular among collectors for their rarity and thematic design