
+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.
Jared Carthalion has 2 printings, first in Dominaria United Commander (2022). EDHREC ranks it #9,200 among Commander cards. It appears most in Jenson Carthalion, Druid Exile decks (1,882 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.