First strike was adopted as an evergreen ability, which means that it may be used in any set and often doesnt have any reminder text to explain the ability
While it comes with the downside that an opponent gets to make you discard two of the cards you searched for, players can mitigate that downside either by building their deck to play cards from the graveyard, or by bribing their opponent to let them keep the cards they most want
The Power Reduction by Silvers Rayleigh sticks during your opponents turn, potentially shutting down one of their Characters from attacking or making it easier for you to Counter the attack
Contents: 15 Magic: The Gathering cards plus 1 Traditional Foil double-faced token
This siege battle twist on Green Sun's Zenith is only a tad less efficient
There are just so many easy ways to force your opponents to discard their hands or sacrifice their creatures, like with Fleshbag Marauder, Accursed Marauder, Chainers Edict, Plaguecrafter the list goes on