I find Sam's land art to be one of the best, most evocative, in the last five years
Life gain extends your survival window
Our list is now five cards, which means that there are still eight to let go
Love her, but she's broken in multiplayer and Commander once down with that final ability killing multiple stuff across multiple players and such
While you'd probably much rather just have an actual OverrunOverrun at the ready if that's all you're playing him for, his flexibility of being a mana rock, a token-generator, and an OverrunOverrun all at once is exactly the kind of flexibility that makes for a great planeswalker
Its abilities often synergize with its typing, utilizing moves like Sludge Wave and Shadow Ball to devastating effect