Harword, ongoing traveler

Reach
Whenever Harword attacks
it explores (Reveal the top card
of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1counter on this creature, then
put the card back on top or into your graveyard.)
{1}{w}{u}{b}{r}{g}: create
a legendary artefact equipment
named blade of ancient sparks