Phyrexian Lens

{T}, Pay 1 life: Add one mana of any color.

Resplendent Mentor

White creatures you control have "{T}: You gain 1 life."

Doubling Cube

{3}, {T}: Double the amount of each type of unspent mana you have.

Filigree Sages

Lightkeeper of Emeria

Multikicker {W} (You may pay an additional {W} any number of times as you cast this spell.)
Flying
When this creature enters, you gain 2 life for each time it was kicked.

Staff of Compleation

{T}, Pay 1 life: Destroy target permanent you own.
{T}, Pay 2 life: Add one mana of any color.
{T}, Pay 3 life: Proliferate.
{T}, Pay 4 life: Draw a card.
{5}: Untap this artifact.

Famished Paladin

This creature doesn't untap during your untap step.
Whenever you gain life, untap this creature.