Zatanna, Magical Illusionist

{1}: Give all creatures that you control +1/+1 until end of turn.
{2}: Give all creatures that an opponent controls -1/-1 until end of turn.
{6}: All creatures you control get +1/+1 until end of turn, and all creatures an opponent controls
get -2/-2 until end of turn.
{10}: three creatures you control each get three +1/+1 counters.