mtg sacrifice deck commander Teysa Karlov Creature Tokens Magic Elas il-Kor, Sadistic Pilgrim Creature

Lutri, the Spellchaser was controversially (and correctly, in my opinion) banned from Commander on release as itd otherwise be an auto-include in any deck playing blue and red (almost any Commander deck fulfills the companion restriction, as this was clearly not designed for Commander)

The mill caused by the attack trigger can turn into massive resource advantage though is likely to help an opposing deck or two, but any scries or top deck manipulation goes awry fast with Locke

In sideboarding, continue to pay close attention to your creature count, your mana curve, and the other important details of your deck's composition

This encompasses his own melee keyword and a host of other unkeyworded triggered abilities, including Klauth's attack trigger

The top four eight (previously announced as 4, now officially 8 as was announced in the Lorecast, possibly more) players from each regional Challenge will earn the qualification for final North American or European Championships events