Jack, Mentor of Llanowar

When Jack, Mentor of Llanowar enters the battlefield, create two 1/1 green elf creature
tokens.
Elf creature tokens you control have {t}: Add {g} to your mama pool.
{t}: Create a 1/1 green Elf creature token.
At the beginning of your upkeep, if you control
at least five other elves, transform Jack,
Mentor of Llanowar.