Wren, Power Born

When Wren, Power Born enters the battlefield if life was used t
o pay for the mana cost put that many consume counters on Wren, Power Born
{3},{w}: Remove a consume counter from Wren,
Power Born and put a +1/+1 counter on target creature you control
{4},{b}: Remove a consume counter from Wren,
Power Born and put a -1/-1 counter on target creature you don't control