Subversive Acolyte

{2}, Pay 2 life: Choose one. Activate only once.
• Subversive Acolyte becomes a Human Cleric.
It gets +1/+1 and gains lifelink.
• Subversive Acolyte becomes a phyrexian.
It gets +3/+2, gains trample and
"Whenever this creature is dealt damage,
sacrifice that many permanents."