undertaker mtg card Coram, el enterrador - Modern Horizons 3 Commander #11 (Español) where X is the greatest power among creature cards in all graveyards MTG Coram, the Undertaker Commander:

If thats not enough, you can borrow from the Simic Combine with Simic Ascendancy

#7 Knight of the White Orchid The OG catch-up creature in white is Knight of the White Orchid

A unique rule when considering the zone-changing nature of the Command Zone is that a Commander will go to your graveyard briefly before moving to the Command Zone if it dies

While only Birds of Paradise is a generic staple, the rest of the cards are staples in their dedicated decks (Lathliss in Dragons and Sliver Legion in Slivers)

Elves decks arent super popular in Legacy right now, yet its worth pointing out in case Heritage Druid makes a comeback

It lacks evasion, but it has all of the speed you need