Eyramaz Haden of Tivan

Eyramaz Haden can't be sacrificed.
When Eyramaz Haden enters the battlefield, you
may sacrifice any number of Humans.
Whenever you sacrifice a Human, choose one —
• Create a green and black 1/1 Snake creature
token with deathtouch.
• Eyramaz Haden deals 1 damage to any target.
• Add {b}, {r} or {g} to your mana pool.