Beast of Bontu's Bluff

Reach,
When Beast of Bontu's Bluff deals combat damage to a creature, put 3 heartbeat counters on that creature. At the beginning of that creature's controller's upkeep, remove 1 heartbeat counter. When there are no heartbeat counters left on that creature, destroy it.
"Enter Bontu's Monument, but beware of th..."
~Inscription on the Wise One's door.