Gives you something substantial and threatening while gaining you life, and that's a good way to stabilize
Most strategies in Commander accrue draw or ramp by taking a game action that is if not a net positive, as you go down a card at least positive to your board state
Cards with unusual measurements may receive lower grades or fail authentication entirely, reducing their market value among serious collectors
So you should do this once, properly, and every later step gets faster
There was a limited amount of mana rocks in Painbow , and again, the tri-lands entered tapped, so there were plenty of issues getting Painbow to function
The mechanics of these cards are all fairly basic, but due to their insensitive imagery, they are not allowed in any of Magic's formats, including Vintage