Zulaport Cutthroat

Whenever this creature or another creature you control dies, each opponent loses 1 life and you gain 1 life.

Roil's Retribution

Roil's Retribution deals 5 damage divided as you choose among any number of target attacking or blocking creatures.

Blighted Steppe

{T}: Add {C}.
{3}{W}, {T}, Sacrifice Blighted Steppe: You gain 2 life for each creature you control.

Swamp

Mortuary Mire

This land enters tapped.
When this land enters, you may put target creature card from your graveyard on top of your library.
{T}: Add {B}.

Malakir Familiar

Flying, deathtouch
Whenever you gain life, this creature gets +1/+1 until end of turn.

Gideon's Reproach

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

Dutiful Return

Return up to two target creature cards from your graveyard to your hand.

Serene Steward

Whenever you gain life, you may pay {W}. If you do, put a +1/+1 counter on target creature.

Felidar Sovereign

Vigilance (Attacking doesn't cause this creature to tap.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
At the beginning of your upkeep, if you have 40 or more life, you win the game.

Plains

Drana's Emissary

Flying
At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Hagra Sharpshooter

{4}{B}: Target creature gets -1/-1 until end of turn.

Courier Griffin

Flying
When this creature enters, you gain 2 life.

Tandem Tactics

Up to two target creatures each get +1/+2 until end of turn. You gain 2 life.

Bloodbond Vampire

Whenever you gain life, put a +1/+1 counter on this creature.

Kalastria Nightwatch

Whenever you gain life, this creature gains flying until end of turn.

Stone Haven Medic

Demon's Grasp

Target creature gets -5/-5 until end of turn.

Kitesail Scout

Nirkana Assassin

Whenever you gain life, this creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)