mtg elf commander decks EDH Deck - Custom Built - Elite - - Omnath lets you keep all of your unspent green mana so i have a pure

This essentially acts as a Sol-land (kind of like Eldrazi Temple) as long as you have a colorless card with mana value seven or greater to exile when you play it

Rather, this sets up a rule that is true for you until the turn ends or until you cast a creature card, even if you cast that creature at a time you normally could

The reason for this is that this six mana White, Blue, and Black 4/5 will gain you two life in each of your upkeeps when its in the command zone

It's also one of the most elegant designs in Modern Horizons 3 spoilers so far, and might be one of the best bears ever printed - with due respect to Grizzly Bears, of course