While he's changed a lot over the decades, Steve Ditko and Stan Lee gave the world an unforgettable hero when they created Spider-Man
But, when in doubt, if that instant-speed sweeper is the thing that will set you up for victory on your turn, its advantageous to play it on the end step of the player whose turn happens right before yours
Even better, it has the Hideaway ability, letting you dig five cards deep into your deck and tuck away a spell, ready to cast it for free later when you meet a particular criteria: in this case, having three creatures with different powers after you tap Collector's Cage
That way you have some redundancy when it comes to doing powerful things with your lands
If we can't win with our own creatures, expensive enchantments like Debtors' Knell and Grave Betrayal can snag beaters for us