Having the Azorius, Selesnya, and Rakdos Temples around should help those three color combinations right now, though, which should be especially interesting considering how strong all three guilds were last year and how all three seem to have taken a small step backward since then
The "can't be blocked by creatures with power 2 or less" clause may not look like much, but it means he swings through utility blockers and chump armies, ensuring your giant beater actually connects
Seasoned Warrenguard can potentially attack as a 3/2, which is excellent for a 1-drop
As long as you control six or more lands, lands you control have " : Add one mana of any color." , , Sacrifice this land: Search your library for any number of God cards, put them onto the battlefield, then shuffle