Resurgent Anthem

Whenever you cast or copy this spell, note it.
Creatures you control get +1/+1, X times, until
end of turn, where X is the number of times you
have casted or copied this spell.
Rebound (If this spell was cast from your hand,
instead of putting it into your graveyard as it resolves,
exile it and, at the beginning of your next upkeep, you
may cast this card from exile without paying its mana
cost.)