mtg elves commander deck Lathril, Blade of the Elf Tribal Tokens Magic – CommanderComplete earth in Magics definitive multiplayer format COMMANDER Elf Deck Box |

This would likely require a couple years of widely printed Modern and Legacy Masters sets, and yes, the reserved list would have to go

Gandalf the White Gandalf the White is a nice addition to both Teysa Karlov and Elesh Norn, Mother of Machines decks, but I think theres a decent build of this Mithrandir as a commander of the kind of deck where you run Teshar, Ancestor's Apostle

Outlaws of Thunder Junction releases April 19 with prerelease starting on April 12

So even if damage is doubled, the Trample math happens before that

Chances are, you can swing with this at someone to get the ball rolling, on curve, and in the right deck, youre easily able to buff it with more +1/+1 counters to get the job done