If they have a pesky creature with a higher toughness, you can bait your opponent into blocking or attacking and then activate Brigids ability, reduce their toughness, and destroy it
Though a controversial move in Commander, infinite turns are almost always a guaranteed win as you'll just keep playing through your deck unimpeded until you have your finishing moves
Each deck fits perfectly into the world of March of the Machine
Eruth just rattles off spells, even if it leaves you empty-handed most games
Add Ashnod's Altar for infinite mana Sword of the Meek + Thopter Foundry + Time Sieve = infinite turns provided you can make five thopters Mycosynth Lattice + Sydri, Galvanic Genius = 1: target land is sacrificed Sydri, Galvanic Genius + Voltaic Construct + Grim Monolith/Mana Vault/Gilded Lotus = infinite mana
It doesnt have much to offer from a thematic standpoint, it doesnt seem as fun to play as some of the other decks, and there arent as many value cards packed in this one