Voice has also appeared in Collected Company decks in Modern, as it's a wondeful target, and was a staple of Birthing Pod decks before Pod was banned, because it could be sacrificed to Pod and still leave something behind.
In the case of Muldrotha, if our important cards are 5cmc, we want our ramp cards to be castable on turns 1-3 so we can play our engines a turn early
Expect to see plenty of Deathgorge Scavengers in sideboards early on in the format
But if you want to do that, its an ability thats probably great in Commander/Brawl
Most walls are cheap, and the archetype can produce plenty of mana thanks to cards like Overgrown Battlement and Axebane Guardian, so its easy to cast numerous creatures a turn and overwhelm your opponents with your formidable offensive defenses
This specific copy was owned and signed by the original artist, the late Christopher Rush, and comes from a pedigreed collection, making it a unique piece of Magic's developmental history