Fretwork Colony

Creature — Insect • Mana cost: {1}{B} • Kaladesh • Uncommon

This creature can't block.
At the beginning of your upkeep, put a +1/+1 counter on this creature and you lose 1 life.

The swarm leaves behind a flawless pattern that only occasionally threatens the structural integrity of the wood.

Illustrated by Christopher Burdett.