Dr. Facilier, the Shadow Man

Whenever you cast an enchantment spell, if you
don't control a creature named Tiana & Naveen,
create Tiana & Naveen, a legendary 3/3 black and
green Frog creature token with "Whenever you
cast an enchantment spell, each opponent loses 1
life and you gain 1 life."
{1}{g/u}:Dr. Facilier, the Shadow Man and target
Frog you control can't be blocked this turn
except by creatures with flying or reach.