He sure is a knight that can buff his allies when he's attacking
Roughshod Duo enables both aggressive raccoon and mice decks, for example, while Lightshell Duo fills the graveyard for rat decks and plays well with the spells otter decks depend on
Its still used that way in Premodern, Vintage, and Legacy, adding spice like Kalastria Healer or Spike Feeder of all things in some builds, and looking to infinitely bounce your creatures for Grapeshot in others
Escalate [cost] means For each mode you choose for this spell beyond the first, you pay an additional [cost]." Using the escalate ability follows the rules for choosing modes and paying additional costs in rules 601.2b and 601.2fh
Sure, you can screw them up, but then they are the first one to recover from it