Neither player will get to search for a basic land card
If were playing a deck that wants to dig to a creature and an enchantment, plays Deathrite Shaman, and is interested in flashing back Cabal Therapy, I think we can introduce a Theros common to Legacy: Its perfectit finds Phantasm, finds Defense of the Heart, bins Cabal Therapy, and feeds Deathrite Shaman
2: Search your library for a card, then shuffle and put that card on top
Blocking is this decks path to victory in the matchup, and the more instant speed removal you have, the better blocking becomes
Cait Sith, Fortune Teller gives you that effect in general to whatever creature you like and throws in a cheeky scry as well for your trouble
"The Brothers' War - Chapter 1: Stronghold"