Keeping that single Orc Army is paramount to victory, so youll want to save counterspells for anything thatll get around Saruman, the White Hands ward anthem
Modal Double-Faced Cards (MDFCs) presented a choice between two modes as they are played, essentially netting you the possibility of having a second card, or even more as in the case of Valakut Awakening // Valakut Stoneforge, for the price of one
Battle for Baldur's Gate solves this problem with the background mechanic
Rem Karolus, Stalwart Slayer
A resealed box is undetectable until you have already lost the money
It makes a lot more sense in the decks that are playing Centaur Healer main, but this is an evolution designed to prey on those by not playing such low impact cards since Ive found having them main to be unnecessary against the decks where theyre good