mtg guilds of ravnica boros cards Guildgate (#243) | - Russian Battalion — Whenever Boros Elite and at least two other creatures attack Guilds of Ravnica Guild Kit

If you want to buff this Commander Deck, other cards that make artifacts hexproof and/or indestructible could certainly be very fun, as barring a board wipe, this would prevent most damage, and help to keep your Commander alive, and annoying

This is just too random to be a reliable card in Limited

At best you're casting her for just 1 mana which is awesome and her activated ability is amazingly-costed repeatable card selection/advantage

It was first introduced in 2010's Scars of Mirrodin MTG set, and its card list expanded further in releases like War of the Spark, Modern Horizons, and Phyrexia: All Will Be One