Silgri, Mistweb Matriarch

Orc Devourer 3 (As this enters the battlefield,
you may sacrifice any number of Orc creatures.
This creature enters the battlefield with that many
+1/+1 counters on it.)
When Silgri, Mistweb Matriarch enters the battlefield, gain control of target creature or planeswalker for as long as you control Silgri,
Mistweb Matriarch.