Amzu, Swarm's Hunger (CLU 24)

Legendary Creature — Insect Shaman • Mana cost: {3}{B}{G} • Ravnica: Clue Edition • Rare

Flying, menace
Other Insects you control have menace.
Whenever one or more cards leave your graveyard, you may create a 1/1 black and green Insect creature token, then put a number of +1/+1 counters on it equal to the greatest mana value among those cards. Do this only once each turn.

Illustrated by Slawomir Maniak.