raid — at the beginning of your end step, if you attacked this turn, create a food token. (it's an artifact with "2, t, sacrifice this token: you gain 3 life.")
2b, sacrifice this enchantment: target opponent loses x life, where x is the amount of life you gained this turn.
2b, sacrifice this enchantment: target opponent loses x life, where x is the amount of life you gained this turn.