mtg make all cards artifacts Metallurgic Summonings (Kaladesh) *From the Revised Edition 3rd Ed artifacts are the best way

The really fun fact, says u/IkariLoona, is that as an acknowledgement of the localisation, the ones in eastern Altepa are sabotenders and the ones in western Altepa are cactuars. Sabotender's Solid

They can be challenged (but not start a challenge) on their first turn if something exerts them, or if a card can target readied characters

However, this has never panned out, just as stepping into a competitive format with a bad deck and no experience is unlikely to lead to success

Putting subtle pressure on your opponents blocks (i.e., you can threaten to trade up your Malboro into Balamb T-Rexaur thanks to Paladin's Arms)

The company have announced it will be releasing the TCGs fourth set in local stores on May 17th, with a wide retail launch from May 31st