Eidwenn, the Herd Mother

Vigilance, Lifelink
Creatures you control have hexproof.
{1}{g}, {t}: Create a 0/2 green Cow creature token
with: Whenever a land enters the battlefield under
your control, put a +1/+1 counter on this creature.
{1}{w}: Target cow you control gains lifelink until
end of turn.