Brind, Piper of the Storm

Brind's toughness is equal to the number
of Elementals you control.
Worship, Indestructible, Plainswalk
Whenever an Elemental enters the battlefield
under your control, put a +1/+1 counter on
each other Elemental you control.
{3}{w}{w}: Create a 2/1 white Elemental token
with flying.