One thing you can do if you can activate Jhoiras Timebug multiple times in a turn cycle is first add a Time Counter to a Suspend card, then remove a Time Counter, which benefits cards like Dinosaurs on a Spaceship
Their favorite color of mana is green, and they love brewing for Commander variants.
These may not be the highest mana producing rituals, but popular cards like Transmogrant Altar, Illuminor Szeras, and Priest of Forgotten Gods produce small bursts of mana, not too different from Culling the Weak
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Omnath, Locus of All: As long as Omnath, Locus of All remains under your control, you'll retain unspent mana as steps and phases end, although that mana will become black
Sapling Nursery Affinity for Forests means that in the decks I see running this, its half-costed at all times