With a punishing Ward cost, a 9/9 flying lifelink body, and a power that steals cards from your opponents, Valgavoth, Terror Eater is mighty indeed
The spell also has the added benefit of replacing itself by drawing you a card when it is cast as long as you control at least one merfolk, letting it still maintain its usefulness over the course of a game
Planeswalker Party is clearly more of a gimmick deck than a full-on cEDH viable one, but a few tweaks could make it a contender
Twitter (November 6, 2020)
Perhaps it's for a life-gain deck where you equip it to a bat with lifelink and flying in the mid-to-late game to attack
Aside from the fact that he turns song cards into card draw and cheats out big cards, the artwork is awesome (and hes the only Goofy Movie entrant on this list)