Barbara, Monstat's idol

While Barbara, Monstat's Idol is on the field,
Element Rules apply.
Pay {1}, {t}. Gain life equal to this creature's
Power. This creature gains Lifelink until end
of turn.
Pay {2}, {t}. Gain 1 life for each attacking creature
you control and place 1 Hydro counter on each
opponent creature that received damage this
turn.