Indestructible Aura features a Falcon-headed man doing a really cool rockstar pose
Not to mention, a full graveyard just gives you additional information to play with outside of the cards in your hand
Divine Convocation is all about flooding the battlefield with creatures as quickly as possible, and it's very good at doing that
You need to be able to support a colorless Land, and if getting to isn't likely, it won't work, but Westvale Abbey is solid in many decks as a mana sink, and Ormendahl is a problematic threat no matter the situation
Legendary Land Color tag templates(None) Mountain Basic Land - Mountain Color tag templates(None) Path of Ancestry This land enters tapped
Let's see what the rough ratios are for Merciless Rage and how it compares: 40 lands and Solemn Simulacrum, K'rrik, Son of Yawgmoth, Sol Ring, Rakdos Locket, Hedron Archive, wow really that's it