Surge of Strength

Duplicate {2}{r}{g} (You may cast this spell for its duplicate cost. When you do, create a copy of this spell. You may choose new targets for the copy. You may pay more than one of this spell's duplicate costs.)
Surge (You may cast this spell at the beginning of combat on your turn. Each attacking creature you control pays for {1} of this spell's mana cost.)
Creatures you control get +2/+2 and gain trample and haste until end of turn.