Since youre a Magic player, youre either really wealthy or really poor, so thats kind of hit-or-miss
Focusing your pack purchases on these sets maximizes both your golden pack progress and ensures youre acquiring cards relevant to the current competitive metagame
And using it for Recruit, he recovers this card that fell into GY with Sphere, and with the effect of Sphere, it is useless to recover around Double-Edged Sword of his GY
Its still a decent card, though
Plague Rats, most obviously, is non-functional in a context of 60 card minimums and 4 per card maximums, but is hilarious and brutal in a 40 card minimum environment where an opponent may have a dozen or so Rats
if your "D/D" monster attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent