With their robust database, you can easily explore and discover cards from various eras of the game
Yawgmoth's Will was the OG version and was played heavily in Storm decks, allowing you to replay all your rituals to increase your Storm count before killing your opponent with Tendrils of Agony
Bitterthorn, Nissa's Animus (the compleated version of the sword represented in Origins ) provides similar value, though I favor the OGs cheap casting and equip cost
And with services like PrintMTG, you can build an entire proxy deck for home games or casual LGS events without spending too much
They were pretty foolish without the extra 3 cost although it didn't make all of them playable as it could be quite hard to draft around some of the narrower conditions
Cloud Strife may play the role of main character and hero as the game goes on, but it's Barret who acts as the leader of Final Fantasy VII 's Avalanche group