With Pack Points in Pokemon TCG Pocket being a contentious point with fans due to their availability, or lack thereof, and difficulty in getting specific cards, it doesn't seem too absurd to think the game will eventually add the ability to buy specific cards for Poke Gold, for example
If it survives to the next end step, it will gain two +1/+1 counters on it
First, heres the most foundational of all rules you should immediately put your cards into individual protective sleeves as soon as you get them
Once sleep lands, the passive damage begins
When it deals damage to a player you get an additional beginning phase after your combat, giving you the opportunity to untap all your lands, triggering upkeep effects, and letting you draw an additional card.
but I think thats stretching it