Its possible to overdo it, thoughif all you play is permission, youre not advancing your own board state
First, it deals 2 damage when any creature enters the battlefield on your side, which is a great improvement
And be aware that there is crossover between the two
Older cards don't have a set code so, you need to know the symbol for each set to be able to tell on-sight, but a quick search over on Gatherer can help you out when youre not sure
Take part in sealed events for a more exciting way to open packs, or just open booster boxes for fun
Battle Screech Echo of Eons Firebolt Lava Dart Reckless Charge Scour All Possibilities Smiting Helix Kicker Kicker is an alternate cost you can pay while casting a card, often for a bonus action