Profane Memento

Whenever a creature card is put into an opponent's graveyard from anywhere, you gain 1 life.

Honor the Fallen

Exile all creature cards from all graveyards. You gain 1 life for each card exiled this way.

Hope Estheim

Lifelink
At the beginning of your end step, each opponent mills X cards, where X is the amount of life you gained this turn.

Cut Your Losses

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.)
Target player mills half their library, rounded down.