Aeril, Lady of the Steel Glade

At the beginning of your upkeep, create a 1/1
green Elf Warrior creature token.
{b/g}, Sacrifice an elf: Choose one —
• Target creature gets +1/+1 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You draw a card and lose 1 life.
"Kneel and put your head to the ground, lest I
put it there for you."