That said, Tatsunari can only be used in Commander decks that are black, blue, and green, as its activated effect can be paid for with either blue or green mana
Ways to Play is a very handy topic to explore to acclimate yourself to the various formats available
It does not constitute professional financial, legal, or technical advice
You need to work to set up your different strategies, and anything that can outpace you is going to likely be in an unbeatable position before you've had a chance to really get going
Cards that generate additional mana, like Mana Reflection, Mirari's Wake, and Nyxbloom Ancient, can help accelerate your mana production and enable you to cast this powerful monster and other devastating ones like Avenger of Zendikar
Or you can find someone who was battling in the Commander Cabana to win big on the prize wall and brings over a Sharuum the Hegemon combo deck that can win on turn 4 with reliability