Ward is a strong ability to have on your side, so the fact that you can grant this aid to all your characters is undervalued
However, Zulaport Cutthroat is a nice partner for the Artist, and they really shine in aristocrats/sacrifice decks
In the occasional creature-heavy draw, Boros Charm supports creature damage in addition to straight-up burn, synergizing beautifully with Monstrous Rage to emulate Embercleave
Similar to the Mox artifacts, Black Lotus costs zero mana, so you can play it on your first turn along side a land, but adds three mana of any one color when you sacrifice it
Like the card collector, Kaiba is obsessed with gaming, but Takahashi also gave Kaiba a calmer demeanor when developing his relationship with his rival
Aim for 10-12 ramp, 8-10 card draw, and 8-10 removal spells