Seafloor Stalker
From Zendikar Rising set
Seafloor Stalker
Creature — Merfolk Rogue
2/3
: This creature gets +1/+0 until end of turn and can't be blocked this turn. This ability costs
less to activate for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)