Painbow

Painbow is a 100-card Commander precon from Dominaria United Commander, released September 9, 2022. It is led by Jared Carthalion, a five-color commander.

Jared Carthalion

[+1]: Create a 3/3 Kavu creature token with trample that's all colors.
[−3]: Choose up to two target creatures. For each of them, put a number of +1/+1 counters on it equal to the number of colors it is.
[−6]: Return target multicolored card from your graveyard to your hand. If that card was all colors, draw a card and create two Treasure tokens.
Jared Carthalion can be your commander.

The list runs 39 lands and 26 creatures, and its nonland cards average 3.66 mana. At today's TCGplayer prices the whole deck's cards come to about $99.26, and the most valuable is Tiller Engine at $19.43.