You also have a copy of Red Elemental Blast to handle the ever-growing prevalence of blue
Those eight drops, usually high-powered characters like Dracule Mihawk or OP-04 Yamato, tend to run quite high in price, but with John Giant, you can proc Queens effect without breaking the bank
Honedge and Doublade have both a sheathed and unsheathed form, and Aegislash a Shield and Blade Forme
Every quarter, a new set is released, and with the last set, Reign of Jafar, in the rearview, were looking forward to the newest set, Fabled
Wizards of the Coast really don't like when these kinds of combos lift off
All those weaknesses lead back to Urza, Chief Artificer, but even ignoring the context of the 99, Urza is by far the most powerful option, and probably the second strongest commander introduced in artifact precons behind Shorikai