Amzu, Swarm's Hunger [CLU - 24]

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.

Rarity: Rare

#: 24

Card Type: Legendary, Creature, Legendary Creature — Insect Shaman

Card Color: B, G

Casting Cost: {3}{B}{G}