Tromell, Seymour's Butler

Legendary Creature — Elf Advisor{2}{G}2/3

Each other nontoken creature you control enters with an additional +1/+1 counter on it. {1}, {T}: Proliferate X times, where X is the number of nontoken creatures you control that entered this turn. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

Colour identity Green · Proliferate · Commander page

In short

Tromell, Seymour's Butler has 3 listed printings; the most valuable is the Surge Foil printing from FIC at US$2.63 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.

Every Tromell, Seymour's Butler printing

Surge Foil