Pelakka Predation is a sorcery spell that makes your opponent reveal their hand and then discard a card from it
Virtually every deck needs to play lands to get going, but if you drop an early Cemetery Gatekeeper and exile a land (which there should be abundance of in eternal formats), then is your opponent forced into not playing lands until they find an answer
You can use PSA or Beckett to verify the authenticity and condition of the card
But the green dot is more direct to check, partly because theres less color mixing to distract you
The basic land would be [Cave], and it would probably be a 16th card in each pack
Rocksteady, Mutant Marauder The best counter distribution is reliable, which Rocksteady, Mutant Marauder embodies