Bea'ha, Earnest Shepherd

Sheep you control have +1/+1.
{w},{t}, Return Bea'ha, Earnest Shephard to your hand: summon X white 0/1 Sheep tokens and gain X life, where X is the amount of mana that you last spent to cast Bea'ha.
She keeps no dogs and carries no prod. Her flock follows her because they trust that she leads the way to greener fields and calmer lives; paradise.