It won't become a token creature
Mill decks will get rid of the opponent's whole library, but weird rule-breakers like Laboratory Maniac won't mind at all
Shadowspear helps ensure you have consistent access to lifegain and trample for your ring bearer, with the side benefit of letting you remove hexproof and indestructible from opposing threats, and can be searched up with Urzas Saga
One interesting way you could build the deck is to focus on all of the equipment that come in attached to a creature it creates (For Mirrodin & Living Weapon.) And its no worry if they dont survive combat since youre drawing enough cards to refill/repair your boardstate and then you can just attach all the leftover equipment to Cloud or any other equipment-matters creatures
2018-12-07 The ability that defines Lord of Extinctions power and toughness works in all zones, not just the battlefield
Between the original Ixalan block and The Lost Caverns of Ixalan , or even the original Innistrad block, youll have plenty of ways to do that