1 Ready-to-play Colorless deck of 100Magiccards (2 Traditional Foil Legendary Creature cards, 98 nonfoil cards)
While the tokens it makes aren't evasive, if you're churning through Artifacts it's going to make an absolute ton of them, and White has more than a few tricks to loop an effect like this
As a reminder, Arena is still in closed Beta, so this information is subject to change: In-Game Currency The in-game currencies are Coins and Gems
There are times where this will backfire, but I think the biggest advantage of this over Pyrostatic Pillar as a maindeck card is that you cant get locked under it by a bigger creature deck as easily because you can just chump block with it and go back to casting spells
You want stat-boosting permanents on the battlefield as quickly as possible such as Soulcatcher's Aerie, Murmuration, and especially Coat of Arms which is the best typal-based stat boosting permanent in the game
Finally, if you cant beat opponents in the more direct ways above, Laboratory Maniac can still steal you that win