Blood Host
{3}{B}{B}
Creature -- Vampire
3/3
{1}{B}, Sacrifice another creature: Put a +1/+1 counter on ~this~ and you gain 2 life.
Shabraz, the Skyshark
{3}{W}{U}
Legendary Creature -- Shark Bird
3/3
Partner with Brallin, Skyshark Rider
Flying
Whenever you draw a card, put a +1/+1 counter on ~this~ and you gain 1 life.
{w/u}: Target Human gains flying until end of turn.
Sunscorch Regent
{3}{W}{W}
Creature -- Dragon
4/3
Flying
Whenever an opponent casts a spell, put a +1/+1 counter on ~this~ and you gain 1 life.
Wildgrowth Walker
{1}{G}
Creature -- Elemental
1/3
Whenever a creature you control explores, put a +1/+1 counter on ~this~ and you gain 3 life.