mtg knight commander precon Dominaria United Commander—Out of the Box — PlayEDH knights precon - Commander (Sidar

Gerrard's Hourglass Pendant can protect players from both of these and can be played in any deck

Electro's last ability triggers without requiring a target

Returning any creature from your graveyard to the battlefield after a creature with an impostor counter dies is like a win-win because you still get to keep your value engine running even as your creatures die

For those not in the know, aristocrats decks sacrifice their own creatures to generate powerful effects

Morcant's Loyalist does a lot of work for one card and is solid if your elf commander supports it's colors

Thanks to improvise, you can tap your artifacts to help pay for it, so it often costs just 1 blue mana