Pallie's Curiosity

When Pallie's Curiosity enters the battlefield, you may
sacrifice a land. If you do, draw a card and put an acorn
counter on Pallie's Curiosity. If the sacrificed land was
a forest, put two acorn counters instead.
{t},{g}: Gain life equal to the number of acorn
counters on Pallie's Curiosity.
Pallie was reluctant to accept summer's end, but had
to admit that every season had its delights.