mtg cards like howling mine that affect the whole board in crazy ways or simple ways At the beginning of each players draw step Abusing no maximum hand size

Power Artifact can be used as a cheap way to swap around equipment for cheap, or even turn Basalt Monolith into a two-card infinite combo

The same is true if B.O.B

Alongside Stoneforge Mystics cost-effective tutoring ability, the card can also put equipment from your hand into play without paying its mana cost

Well, of course, once you start down that path, you end up playing Toolcraft Exemplar, and even if you start out rationalizing it on the splash, Concealed Courtyard becomes too hard to pass up, what with Unlicensed Disintegration and all

Agent 2x Munchings and Crunchings 1x Penumbra Moon Alien 1x Scrooge McDuck On the Right Track 1x Scrooge McDuck On the Right Track 1x Simba King in the Making 2x Webby Vanderquack Knowledge Seeker 2x Blessed Bagpipes 2x Chomp