While Rivalry of Warlords is on the field, your opponent cannot control more than 1 type of monster
Add To List PKM-G-RC4-N-NZ3MK5LNNJ 4 units
Stored in the Main Deck and can be Normal, Tribute, or Special Summoned
This strategy has proven to be strong against many of the grindier decks in the format while maintaining the ability to keep most of the aggressive decks at bay while you go over the top of them
When this card is activated: You can target any number of "Gadget" Monster Cards you control that are equipped to a monster
Of course, Snapcaster Mage doesn't need help to be good, which might mean that playing it with Naban, Dean of Iteration is win-more, but this is where the power of being a 2/1 rather than a do-nothing four-mana artifact like Panharmonicon becomes clear