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There were a lot of large-scale Battles in the lore, which would make this card type a good flavor win
Shivan Hellkite is a tough cut, as well, since if we ever untap with it, we almost surely win
For utility: Contested Cliffs lets you pick off problem creatures with Gahiji, Honored One, Gavony Township buffs your army, Kessig Wolf Run lets you punch in for big damage]], Mosswort Bridge, Windbrisk Heights, and Spinerock Knoll are card advantage that are easy to pull off
It can move any kind of counters, and isnt locked to one player, so you can throw some -1/-1 counters at an opponent, or snatch their +1/+1 counters for yourself