Deranged Outcast — ruling 1

You can sacrifice any Human you control, including Deranged Outcast itself.

Deranged Outcast — ruling 2

Because targets are chosen before costs are paid, you can activate Deranged Outcast’s ability targeting itself and then sacrifice Deranged Outcast to pay the cost.

Deranged Outcast : règles, fonctionnement et interactions (MTG)

Deranged Outcast is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

, Sacrifice a Human: Put two +1/+1 counters on target creature.

How it works : Deranged Outcast

Original English text — Wizards of the Coast / Scryfall

#1January 22, 2011· Wizards of the Coast
You can sacrifice any Human you control, including Deranged Outcast itself.
No other card is named in this ruling.
#2January 22, 2011· Wizards of the Coast
Because targets are chosen before costs are paid, you can activate Deranged Outcast’s ability targeting itself and then sacrifice Deranged Outcast to pay the cost.
No other card is named in this ruling.