Crystalline Crawler

   Artifact Creature — Construct

Converge — Crystalline Crawler enters with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Crystalline Crawler; Add one mana of any color.
; Put a +1/+1 counter on Crystalline Crawler.

1/1

Illustrated by Jason Felix