Jada and Kahra, Wizard Sisters

When Jada and Kahra enter the battlefield, counter target spell and create a 2/4 Elf Token named Common Elf.
{3}{g/u}: Target creature gains protection from
White until end of turn.
{2}{g}: Target Elf gets +1/+1 until end of turn.
{3}{u}: Sacrifice Jada and Kahra. Counter up to
two target spells.