Magics most popular format makes a mockery of color restriction rules, by virtue of featuring so many lands and mana rocks that tap for any color you wish that they may as well not exist
But the pleasure of a game like Hanabi (or The Crew: The Quest for Planet Nine, another game we like) comes in the collective struggle against that frustration
Vampires and Faeries/Ninja/Wizard/Planeswalkers feel like they have the most room for further optimization and there ultimately might be something there, but I think they need a little something.
Card Set(s) -Yamato-[ST-09] CARD VIEW ST09-013 | C | CHARACTER Yamato Attribute Special Block icon 1 Card Set(s) -Yamato-[ST-09] CARD VIEW ST09-014 | C | EVENT Narikabura Arrow Block icon 1 Effect [Counter] If you have 2 or less Life cards, give up to 1 of your opponent's Leader or Character cards 3000 power during this turn
If Cyclonic Rift and Whelming Wave had a baby, then there would be Desynchronization
Click the button for the loyalty ability that's resolving, and follow whatever instructions appear