Little, Tek-Hound Warden

Barrier (At the beginning of your upkeep, if this creature doesn't have a shield counter on it, put a shield counter on it.)

Landfall — Whenever a land enters under your control, if this is the first time this ability has resolved this turn, create a 2/2 colorless Wolf artifact creature token. Otherwise, populate.

Attacking artifact creatures you control get +1/+0.