Lurking Chupacabra
{3}{B}
Creature -- Beast Horror
2/3
Whenever a creature you control explores, target creature an opponent controls gets -2/-2 until end of turn.
Shadowed Caravel
{2}
Artifact -- Vehicle
2/2
Whenever a creature you control explores, put a +1/+1 counter on ~this~.
Crew 2 (Tap any number of creatures you control with total power 2 or more: ~this~ becomes an artifact creature until end of turn.)
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.