If you found yourself playing someone with a control deck (cards like Languish and Radiant Flames were our enemies), you could board into Needle Spires
It can even be very good against one of the best tier 1 decks in the format, UR Murktide, as it shrinks Dragons Rage Channeler, survives Lightning Bolt and removes cards to prevent Murktide Regent getting delved in at a discount
Brewing Around A Final Fantasy Commander - Y'shtola Rhul Y'shtola RhulY'shtola Rhul | Art by Immanuela Crovius Mono-blue is a tricky color in Commander, as it usually screams control
Creature Artifact - Golem Color tag templates(None) Spark Double You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary
1G: You may return another creature you control to its owner's hand