Charge From the Trenches

Kicker {1}{r}{r} (You may pay an additional
{1}{r}{r} as you cast this spell.)
Attacking creatures get +1/+0 until end of turn.
If Charge From the Trenches was kicked, attacking creatures gain an additional +2/+0 and Haste until end of turn.
"Come on, you sons of bitches, do you want to live forever?" - Daniel Daly, battle cry at the Battle of Belleau Wood, World War I