You can copy big, flashy spells like Crackle with Power, Expropriate, and Aminatou's Augury to throw yourself well ahead of your opponents or lean into the combo side of things
Its usually played in Commander decks like Hapatra, Vizier of Poisons that make a few snakes along the way to buff your snakes and give you some card draw
For even more spoilers, here's what we know about the MTG Lost Caverns of Ixalan Commanders
Not only do you have more options in deck building, but Drana and Linvala also has the activated abilities of creatures they control
Cards like Wicked Wolf, Ram Through, Primal Might, and Inscription of Abundance will also help Jorn survive another turn cycle and give us something to do with the extra mana Jorn provides
It lets you play more lands, allowing for copious ramping, and you get to draw cards each time you put lands in the graveyard