Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Cathedral Sanctifier

When Cathedral Sanctifier enters, you gain 3 life.

{T}: You gain 1 life. Then if you have at least 10 life more than your starting life total, transform Chalice of Life.

Whenever an opponent loses life, you gain that much life.

Enchant creature
Enchanted creature gets +1/+1 and has flying and lifelink.

{1}, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Orzhov Guildgate enters tapped.
{T}: Add {W} or {B}.

Target player gains 4 life.
Landfall — If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.

Whenever another creature enters, you gain 1 life.

Whenever another creature enters, you may gain 1 life.

{1}{W}{B}: Target creature gains lifelink until end of turn.
{1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life.