Sylvan Tutor

Search your library for a creature card, reveal it, then shuffle and put that card on top.

Vampiric Tutor

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Profane Tutor

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Search your library for a card, put that card into your hand, then shuffle.

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

Enduring Tenacity

Whenever you gain life, target opponent loses that much life.
When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Exsanguinate

Each opponent loses X life. You gain life equal to the life lost this way.

Entomb

Search your library for a card, put that card into your graveyard, then shuffle.

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.

Cruel Tutor

Soul's Attendant

Whenever another creature enters, you may gain 1 life.

Soul Warden

Whenever another creature enters, you gain 1 life.

Aetherflux Reservoir

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.
Pay 50 life: This artifact deals 50 damage to any target.

Exquisite Blood

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

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.

Dark Ritual

Essence Warden

Guide of Souls

Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter).
Whenever you attack, you may pay {E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

Sanguine Bond

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

Demonic Tutor

Unmarked Grave

Search your library for a nonlegendary card, put that card into your graveyard, then shuffle.