Riem, the Ancient One

Haste, Lifelink, Vigilance
ETB create 2, 1/1 Ancients with all colors
{t}; Create {x} 1/1 Ancients with all colors, where {x} is equal to the number of ancients
on the battlefield.
{t}; Deal {x} to any target equal to the
number of ancients on the battlefield