mtg knight commander precon Dominaria United Commander—Out of the Box — PlayEDH Commander Series: List of Commander

Inspirit, Flagship Vessel Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft

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

This 4-color commander gives value based on the colors your spells have: The more colors, the more effects you trigger, and Aragorn's EDH deck is direct in how it wins

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