Yoda and Darth Vader both appeared in Soul Calibur games, and they'd undoubtedly make great Planeswalkers
Because you never "cast" a land card, Assemble the Players doesn't allow you to play a land creature (such as Dryad Arbor) from the top of your library
If I was making budgetless checklist, then I would actually recommend more than just two tutors for your average deck
Partner (You can have two commanders if both have partner.) Legendary Creature - Spirit Shaman of Forgotten Ways : Add two mana in any combination of colors
The Longbow improves on the first ability that the Staff grants to your creatures, reducing the cost to ping a target to just tapping your creature
In retrospect, it was resoundingly obvious: Blue Ugin was a rare combination of an iconic card and extreme scarcity, and players and collectors were willing to pay Tarmogoyf price for it