Vigilance
Drop — Whenever Avatar of the Festival or another creature enters the battlefield under your control, if the entering creature was cast and you didn't cast any creature spells during your last turn, you may have your life total become the total power and toughness of creatures you control.

Whenever you draw a card, each opponent loses 1 life and you gain 1 life.
{T}: Each player draws a card.
{2}, {T}: Draw a card.