If you felt like branching into other colors red is obvious for more direct land destruction but white could be pretty cool and budget for more board protection and better costed token generators like Recruit the Worthy
At the beginning of your upkeep, if there are four or more land cards in your graveyard and you both own and control Titania, Voice of Gaea and a land named Argoth, Sanctum of Nature, exile them, then meld them into Titania, Gaea Incarnate
Chart shows the price of Nemona #229 at the end of each month going back as long as we have tracked the item.
The green and red triggers provide a lot of explosive damage, which could fit well in a Zoo type of aggressive deck
Making the rounds on Arena are many similar White Weenie decks that run a combination lifelink cards such as: [c]Shadowspear[/c] [c]Lurrus of the Dream Den[/c] [c]Alseid of Lifes Bounty[/c] [c]Heliod, the Sun Crowned[/c] Edgar Markov Vampire Tribal Commander In Commander, arguably the most meta lifelink deck is Edgar Markov Vampire Tribal