Support Mage

Whenever you cast a creature spell, you may pay
an additional {x}. If you do, that creature enters
with X additional +1/+1 counters.
{1}{u}: Target creature gains hexproof until end of
turn.
{1}{g}: Target creature gets +1/+0 until end of
turn.
{2}{g}{u}: You gain 1 life. Put one +1/+1 counter
on target creature. You draw a card.