After all, they were hiding under your floorboards all along
C Common Grand Horn of Heaven X TRAP Counter During your opponent's Main Phase, when they would Special Summon a monster(s): Negate the Summon, and if you do, destroy that monster, then your opponent draws 1 card, then end the Main Phase
ZEXAL episode 25: "Frozen in Time"
Of course, there are a few ways to speed up the process, like using proliferate or cards like Coretapper that allow you to add more counters to Darksteel Reactor
The cards lose their value the more theyve been tampered with and played with, Turner noted, so collectors should store high-value cards in plastic card savers
Detach 1 Xyz Material from this card, you can make your opponent destroy cards from their field so they control the same number of cards as you do