Zarya

Kicker {u}{u} (You may pay an additional
{u}{u} as you cast this spell.)
When Zarya enters the battlefield, if it
was kicked, Zarya gains two +1/+0 counters.
{u}{u}: 2 friendly targets gain prevent
all damage from one source until end of
turn. Each time damage was prevented
this way Zarya gains +1/+0 counter.
(This can target Zarya herself.)