Yeenoghu, Lord of Savagery

Gnolls you control have Trample

Hunger Unto Madness - When Yeenoghu deals damage to a creature, if that creature died this turn, put a Digestion counter on Yeenoghu.

Deiphage Spawning - When Yeenoghu dies, create
X 3/3 Gnoll creature tokens with "This creature gets +1/+1 for each other Gnoll you control." Where X is the number of Digestion counters that are on Yeenoghu