Zendikar Rising Zendikar Rising was the set that introduced modal double-faced cards, which in this case are cards that can be played on either side
All the legends in these decks have a unified goal of working together within their decks theme and its fun building cards like this to have that creative team synergy, whether thats sayinteracting with counters in Final Fantasy X or playing with the graveyard in Final Fantasy VI
Innistrad: Crimson Vow Crimson Vow introduced us to the blood mechanic, which is basically another way to rummage or discard cards you dont need to try to find better ones (like cycling)
Magic: The Gathering has had its fair share of crossover releases in the Universes Beyond collection, which features cards themed around beloved fandoms
Its very similar to Friends on the Other Side, except its even cheaper to play, with only a small drawback discarding a card
While everyone is cracking packs and building Commander decks, I have my heart set on something a little more refined (and perhaps a little less advisable) - a monored standard deck built around FFXVI's protagonist, Clive