One of the sets new cards, Hogaak, Arisen Necropolis, became so dominant that, just a month after its release, Wizards banned Bridge from Below to try to slow the deck down
This allows you to lose one of their Mew exs but not lose the entire battle
Later issues of the magazine would also start rewarding more and more points
Mega Hyper Rare cards have notoriously bad pull rates, yet getting one will nab you some serious cash should you choose to flip it (or a decent bump in your portfolio should you keep it)
In practice, it's almost identical to what youd do, which is cast to counter their spell, untap, and attack, making the difference nearly negligible with the big upside of having a 3/3 flying creature, which is extremely good
While -1/-1 counters aren't great for your creatures, there are several ways in this set to remove them