Kerrigan, Queen of Blades

Creatures you control gain haste. Reach.
When Kerrigan enters play, put a +1/+1 counter
on each creature you control.
{1}{b}{r}: Mutation (Target creature gains +2/+2 and
attacks each turn if able. Can only be affected once.)
{1}{r}{g}: Put a 2/2 Zergling token into play.
{4}{g}{b}: Target land an opponent control gains
"When tapped, deal 2 damage to its controller".
The Swarm never rests.