Putrid Warrior

Whenever this creature deals damage, choose one —
• Each player loses 1 life.
• Each player gains 1 life.

Creatures target player controls get +1/+1 until end of turn.

Night

Target creature gets -1/-1 until end of turn.

Night // Day

Vindicate

Martyrs' Tomb

Pay 2 life: Prevent the next 1 damage that would be dealt to target creature this turn.

Righteous War

White creatures you control have protection from black.
Black creatures you control have protection from white.

Death Grasp

Death Grasp deals X damage to any target. You gain X life.

Soul Link

Enchant creature
Whenever enchanted creature deals damage, you gain that much life.
Whenever enchanted creature is dealt damage, you gain that much life.

Selenia, Dark Angel

Flying
Pay 2 life: Return Selenia to its owner's hand.

Purgatory

Whenever a nontoken creature is put into your graveyard from the battlefield, exile that card.
At the beginning of your upkeep, you may pay {4} and 2 life. If you do, return a card exiled with this enchantment to the battlefield.

Circle of Despair

{1}, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Edgewalker

Cleric spells you cast cost {W}{B} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost {1}{W}, it costs {1} to cast.)

Gerrard's Verdict

Target player discards two cards. You gain 3 life for each land card discarded this way.