Ron, Hive Hooligan

Haste, trample, menace

Whenever a Tyranid enters under your control, put a hive counter on Ron.

Whenever Ron attacks it gets +X/+X until end of turn and deals X damage to target non-Tyranid creature, where X is equal to the number of hive counters on it.

"Eat, sleep, devour, repeat"—Ron