Arcades, the Strategist can hint at walls all day long, but it's not a tribal commander in the sense that it doesn't mention walls directly, and it works just as well with non-wall defenders
Imagine you are at your local game store and suddenly find this product: Chien Pao League Battle Deck
The cards are representations of the elvish, dwarvish, and human rings (which you probably recognize from the "One Ring to rule them all" poem), as well as Sauron's One Ring
Pre-TMT, turtles were characterized with high toughness, so defender/toughness payoffs like Jaws of Defeat, Felothar the Steadfast, and Arcades, the Strategist help your turtles to maximize their potential
Drawing isnt too scary when youre ready to rip those new cards right out of your opponents hand anyway
Whenever you sacrifice a Treasure, Vaan gets +1/+0 until end of turn