SCP 002, the Living Room

When SCP 002 enters the battlefield, put a +1/+1
counter on it.

SCP 002 can be target of attack. If it is target of
attack, it becomes a creature with base power and toughness 0/0 and has deathtouch until end of fight.

Sacrifice a test subject: Put a +1/+1 counter on SCP
002.