He is great in ramp decks where he gets Mana Vault, Voltaic Key, Mana Crypt and of course lands and he is great in combo decks where he gets Lions Eye Diamond, Pyrite Spellbomb, Chromatic Star and many of the previously mentioned cards too
Then, if you draw your own Underworld Connections, you will want to play it on a land that isnt Swamp, such as a Godless Shrine, Isolated Chapel, Mutavault, or, my own personal favorite, Orzhov Guildgate
US versions may include 5
Final Fantasy - Commander Deck Limit-Break (Final Fantasy VII) - German Content: 100-card deck (including 2 Foils & 25 additional new Commander cards) 10 double-sided Token 1 Sammler-Booster sample pack 1 deck box 1 strategy insert 1 reference card Manufacturer information: Battle your friends with Final Fantasy s iconic heroes, villains, and spells in Commander, Magic s most popular multiplayer format
#2 I only have one monogreen Commander deck, and it has Grunn, the Lonely King at the helm