The Devourer (SCP 2317)

Trample,
The Devourer (SCP 2317) enters the battlefield with seven chain counters on it.
As long as The Devourer (SCP 2317) has a chain counter on it, it is a 0/1 human with hexproof and indestructible.
At the beginning of your upkeep, you may remove a chain counter from The Devourer (SCP 2317).