Elas il-Kor, Sadistic Pilgrim

Deathtouch
Whenever another creature you control enters, you gain 1 life.
Whenever another creature you control dies, each opponent loses 1 life.

Kiora's Follower

Cunning Nightbonder

Flash
Spells with flash you cast cost {1} less to cast and can't be countered.

Cruel Celebrant

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

Conclave Mentor

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead.
When Conclave Mentor dies, you gain life equal to its power.

Contraband Kingpin

Lifelink
Whenever an artifact you control enters, scry 1.

Enthusiastic Mechanaut

Flying
Artifact spells you cast cost {1} less to cast.