mtg original commander decks Final Fantasy Revealed, Feature Cloud, Tidus, and More Wizards has designed a Commander deck for each of the five shards Magic: The Gathering Final Fantasy

The downside with these Planeswalkers is that they cannot draw you cards immediately like Garruk, Primal Hunter can as they require quite a bit more loyalty to use their card draw abilities than what they start with

Yes, you can block a creature with first strike

I could also see Sarkhan being the key piece of a R/B Control deck which is the kind of deck that always looks better on paper than how it performs because of the variance in its draw steps and lack of velocity to filter through the deck, the exact problem Sarkhan can solve

I count: 38 lands and Sam, Loyal Attendant (kind of due to the food activation discount), Birds of Paradise, Gilded Goose, Prize Pig, Tireless Provisioner, Farseek, Cultivate, Sol Ring, Arcane Signet, Chromatic Lantern, Commander's Sphere, Pristine Talisman 50 mana