
When Kalain enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Other creatures you control enter with an additional +1/+1 counter on them for each mana from a Treasure spent to cast them.
Kalain, Reclusive Painter has 3 printings, first in Adventures in the Forgotten Realms (2021). EDHREC ranks it #4,580 among Commander cards. It appears most in Prosper, Tome-Bound decks (3,738 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.