You would end up using a Get Lost on a Kaito, Bane of Nightmares, only to give your opponent fuel in map tokens, but at that point they probably got enough value out of their Kaito to make your Get Lost inconsequential
7: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker
Gallant Cavalry Garrison Griffin Gideon's Phalanx Gideon, Ally of Zendikar Grey Knight Paragon Guarded Heir Haakon, Stromgald Scourge Haakon, Stromgald Scourge Avatar History of Benalia Hopeful Vigil Hunted Dragon Imodane's Recruiter Imodane's Recruiter Invasion of Belenon Invasion of New Phyrexia Josu Vess, Lich Knight Joust Kinsbaile Cavalier Knight Exemplar Knight Of Dawn Knight Paladin Knight Rampager Knight Watch Knight of Autumn Knight of Dawn's Light
Kenriths endless counter generation potential makes him an ideal commander for such a deck