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.

Pristine Talisman

Carnage Tyrant

This spell can't be countered.
Trample, hexproof

Grim Tutor

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Sanguine Bond

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

Demonic Tutor

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

Vito, Thorn of the Dusk Rose

Whenever you gain life, target opponent loses that much life.
{3}{B}{B}: Creatures you control gain lifelink until end of turn.

Sylvan Tutor

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

Dina, Soul Steeper

Whenever you gain life, each opponent loses 1 life.
{1}, Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power.