Grindclock
{2}
Artifact
{T}: Put a charge counter on ~this~.
{T}: Target player mills X cards, where X is the number of charge counters on ~this~.
Shrine of Piercing Vision
{2}
Artifact
At the beginning of your upkeep and whenever you cast a blue spell, put a charge counter on ~this~.
{T}, Sacrifice ~this~: Look at the top X cards of your library, where X is the number of charge counters on ~this~. Put one of those cards into your hand and the rest on the bottom of your library in any order.