Toriel, Ruins Caretaker

Whenever a nontoken creature enters the battlefield under your control, if it's power is 4
or greater, Toriel, Ruins Caretaker deals 2
damage to any target. If it's power is 2 or less,
Toriel, Ruins Caretaker deals 4 damage to any
target.
Humans you control with power 2 or less have hexproof.
"Take care, my child."