Kalain, Reclusive Painter{B}{R}
Legendary Creature — Human Elf Bard
When Kalain, Reclusive Painter enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: 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.
1/2
Artista: Jeff Dee