Atraxa, Praetors' Command

Flying, toxic 2
Whenever Atraxa, Praetors' Command deals combat damage to a player, choose two -
• Create a 1/1 Phyrexian Mite artifact creature
with toxic 1 and "This creature can't block."
• Put a +1/+1 counter on a creature you control.
• Proliferate.
• Draw a card. You lose 2 life.