Malcer, Tiefling Bard

When Malcer, Tiefling Bard enters the
battlefield, tap all creatures that target player
controls.
{w}{u}: Put a +1/+1 counter on another target
creature you control that does not already have
a +1/+1 counter.
Remove a +1/+1 counter from a creature you
control: Counter target spell targeting that
creature.