Elf Party Palooza

({x} in mana cost is equal to amount of Elf
creatures and Elf tokens you control in equivalent
mana)
When Elf Party Palooza enters the battlefield, tap
half of your elves (round down) for one turn
All Elf toughness is increased to highest Elf
toughness you control as a baseline and all Elves receive a +3/+0 counter, until spell leaves.
{r}{r}{g}, Sacrifice a Toy Token: Once, All elves gain haste while enchantment is on the field.
All Elves must defend at the same time.